3887420408 has 16 divisors (see below), whose sum is σ = 7289579880. Its totient is φ = 1943532448.

The previous prime is 3887420399. The next prime is 3887420423. The reversal of 3887420408 is 8040247883.

It is a super-2 number, since 2×3887420408² = 30224074857069772928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142910 + ... + 167922.

Almost surely, 2^3887420408 is an apocalyptic number.

It is an amenable number.

3887420408 is a deficient number, since it is larger than the sum of its proper divisors (3402159472).

3887420408 is a wasteful number, since it uses less digits than its factorization.

3887420408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44446 (or 44442 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 44.

The square root of 3887420408 is about 62349.1812937427. The cubic root of 3887420408 is about 1572.3666968015.

The spelling of 3887420408 in words is "three billion, eight hundred eighty-seven million, four hundred twenty thousand, four hundred eight".