3881739456 has 112 divisors (see below), whose sum is σ = 13041863680. Its totient is φ = 1109064960.

The previous prime is 3881739439. The next prime is 3881739457. The reversal of 3881739456 is 6549371883.

3881739456 is a `hidden beast` number, since 388 + 173 + 94 + 5 + 6 = 666.

3881739456 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

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

It is not an unprimeable number, because it can be changed into a prime (3881739457) 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, 148360 + ... + 172551.

Almost surely, 2^3881739456 is an apocalyptic number.

3881739456 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3881739456 is an abundant number, since it is smaller than the sum of its proper divisors (9160124224).

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

3881739456 is a wasteful number, since it uses less digits than its factorization.

3881739456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320939 (or 320923 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 3881739456 is about 62303.6070865885. The cubic root of 3881739456 is about 1571.6003879067.

The spelling of 3881739456 in words is "three billion, eight hundred eighty-one million, seven hundred thirty-nine thousand, four hundred fifty-six".