3849647730 has 32 divisors (see below), whose sum is σ = 9334410624. Its totient is φ = 1015988736.

The previous prime is 3849647729. The next prime is 3849647731. The reversal of 3849647730 is 377469483.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3849647729) and next prime (3849647731).

It is not an unprimeable number, because it can be changed into a prime (3849647731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 658542 + ... + 664361.

It is an arithmetic number, because the mean of its divisors is an integer number (291700332).

Almost surely, 2^3849647730 is an apocalyptic number.

3849647730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3849647730 is an abundant number, since it is smaller than the sum of its proper divisors (5484762894).

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

3849647730 is a wasteful number, since it uses less digits than its factorization.

3849647730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323010.

The product of its (nonzero) digits is 3048192, while the sum is 51.

The square root of 3849647730 is about 62045.5294924622. The cubic root of 3849647730 is about 1567.2574036523.

The spelling of 3849647730 in words is "three billion, eight hundred forty-nine million, six hundred forty-seven thousand, seven hundred thirty".