3869498520 has 256 divisors, whose sum is σ = 13716864000. Its totient is φ = 966924288.

The previous prime is 3869498513. The next prime is 3869498527. The reversal of 3869498520 is 258949683.

It is an interprime number because it is at equal distance from previous prime (3869498513) and next prime (3869498527).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3869498527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7692589 + ... + 7693091.

It is an arithmetic number, because the mean of its divisors is an integer number (53581500).

Almost surely, 2^3869498520 is an apocalyptic number.

3869498520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3869498520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6858432000).

3869498520 is an abundant number, since it is smaller than the sum of its proper divisors (9847365480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3869498520 is a wasteful number, since it uses less digits than its factorization.

3869498520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959 (or 949 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The square root of 3869498520 is about 62205.2933438948. The cubic root of 3869498520 is about 1569.9466518717.

The spelling of 3869498520 in words is "three billion, eight hundred sixty-nine million, four hundred ninety-eight thousand, five hundred twenty".