3801931 has 16 divisors (see below), whose sum is σ = 4713984. Its totient is φ = 2991744.

The previous prime is 3801899. The next prime is 3801937. The reversal of 3801931 is 1391083.

It is not a de Polignac number, because 3801931 - 2⁵ = 3801899 is a prime.

It is a super-2 number, since 2×3801931² = 28909358657522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3801896 and 3801905.

It is not an unprimeable number, because it can be changed into a prime (3801937) 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, 4746 + ... + 5488.

It is an arithmetic number, because the mean of its divisors is an integer number (294624).

Almost surely, 2^3801931 is an apocalyptic number.

3801931 is a deficient number, since it is larger than the sum of its proper divisors (912053).

3801931 is a wasteful number, since it uses less digits than its factorization.

3801931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 3801931 is about 1949.8540971057. The cubic root of 3801931 is about 156.0755031179.

The spelling of 3801931 in words is "three million, eight hundred one thousand, nine hundred thirty-one".