3980831 has 2 divisors, whose sum is σ = 3980832. Its totient is φ = 3980830.

The previous prime is 3980827. The next prime is 3980843. The reversal of 3980831 is 1380893.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3980831 - 2² = 3980827 is a prime.

It is a super-2 number, since 2×3980831² = 31694030901122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3980891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1990415 + 1990416.

It is an arithmetic number, because the mean of its divisors is an integer number (1990416).

Almost surely, 2^3980831 is an apocalyptic number.

3980831 is a deficient number, since it is larger than the sum of its proper divisors (1).

3980831 is an equidigital number, since it uses as much as digits as its factorization.

3980831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 3980831 is about 1995.2019947865. The cubic root of 3980831 is about 158.4861249618.

The spelling of 3980831 in words is "three million, nine hundred eighty thousand, eight hundred thirty-one".