3960831 has 16 divisors (see below), whose sum is σ = 6165504. Its totient is φ = 2214624.

The previous prime is 3960829. The next prime is 3960833. The reversal of 3960831 is 1380693.

It is an interprime number because it is at equal distance from previous prime (3960829) and next prime (3960833).

It is not a de Polignac number, because 3960831 - 2¹ = 3960829 is a prime.

It is a super-2 number, since 2×3960831² = 31376364421122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3960833) 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, 1020 + ... + 2993.

It is an arithmetic number, because the mean of its divisors is an integer number (385344).

Almost surely, 2^3960831 is an apocalyptic number.

3960831 is a deficient number, since it is larger than the sum of its proper divisors (2204673).

3960831 is a wasteful number, since it uses less digits than its factorization.

3960831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 3960831 is about 1990.1836598666. The cubic root of 3960831 is about 158.2202637488.

The spelling of 3960831 in words is "three million, nine hundred sixty thousand, eight hundred thirty-one".