3890453880 has 64 divisors (see below), whose sum is σ = 11700612000. Its totient is φ = 1034854400.

The previous prime is 3890453839. The next prime is 3890453881. The reversal of 3890453880 is 883540983.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3890453881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7696 + ... + 88544.

Almost surely, 2^3890453880 is an apocalyptic number.

3890453880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3890453880 is an abundant number, since it is smaller than the sum of its proper divisors (7810158120).

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

3890453880 is a wasteful number, since it uses less digits than its factorization.

3890453880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81264 (or 81260 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 3890453880 is about 62373.5030281289. The cubic root of 3890453880 is about 1572.7755789334.

The spelling of 3890453880 in words is "three billion, eight hundred ninety million, four hundred fifty-three thousand, eight hundred eighty".