3854905896 has 32 divisors (see below), whose sum is σ = 10144490400. Its totient is φ = 1217338560.

The previous prime is 3854905891. The next prime is 3854905909. The reversal of 3854905896 is 6985094583.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (3854905891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4226415 + ... + 4227326.

It is an arithmetic number, because the mean of its divisors is an integer number (317015325).

Almost surely, 2^3854905896 is an apocalyptic number.

It is an amenable number.

3854905896 is an abundant number, since it is smaller than the sum of its proper divisors (6289584504).

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

3854905896 is a wasteful number, since it uses less digits than its factorization.

3854905896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8453769 (or 8453765 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 57.

The square root of 3854905896 is about 62087.8884807657. Note that the first 3 decimals coincide. The cubic root of 3854905896 is about 1567.9706421079.

The spelling of 3854905896 in words is "three billion, eight hundred fifty-four million, nine hundred five thousand, eight hundred ninety-six".