3960731 has 2 divisors, whose sum is σ = 3960732. Its totient is φ = 3960730.

The previous prime is 3960727. The next prime is 3960751. The reversal of 3960731 is 1370693.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3960731 - 2² = 3960727 is a prime.

It is a super-2 number, since 2×3960731² = 31374780108722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3960694 and 3960703.

It is not a weakly prime, because it can be changed into another prime (3960701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1980365 + 1980366.

It is an arithmetic number, because the mean of its divisors is an integer number (1980366).

Almost surely, 2^3960731 is an apocalyptic number.

3960731 is a deficient number, since it is larger than the sum of its proper divisors (1).

3960731 is an equidigital number, since it uses as much as digits as its factorization.

3960731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 3960731 is about 1990.1585363985. The cubic root of 3960731 is about 158.2189321966.

The spelling of 3960731 in words is "three million, nine hundred sixty thousand, seven hundred thirty-one".