3813890368 has 28 divisors (see below), whose sum is σ = 7966516960. Its totient is φ = 1806579072.

The previous prime is 3813890359. The next prime is 3813890401. The reversal of 3813890368 is 8630983183.

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, 1566996 + ... + 1569427.

Almost surely, 2^3813890368 is an apocalyptic number.

3813890368 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3813890368 is an abundant number, since it is smaller than the sum of its proper divisors (4152626592).

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

3813890368 is a wasteful number, since it uses less digits than its factorization.

3813890368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3136454 (or 3136444 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 3813890368 is about 61756.7030208058. The cubic root of 3813890368 is about 1562.3898238090.

The spelling of 3813890368 in words is "three billion, eight hundred thirteen million, eight hundred ninety thousand, three hundred sixty-eight".