1396331 has 2 divisors, whose sum is σ = 1396332. Its totient is φ = 1396330.

The previous prime is 1396327. The next prime is 1396387. The reversal of 1396331 is 1336931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1396331 - 2² = 1396327 is a prime.

It is a super-2 number, since 2×1396331² = 3899480523122, which contains 22 as substring.

It is a Sophie Germain prime.

It is equal to p₁₀₆₈₃₈ and since 1396331 and 106838 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1396331.

It is not a weakly prime, because it can be changed into another prime (1396301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698165 + 698166.

It is an arithmetic number, because the mean of its divisors is an integer number (698166).

2^1396331 is an apocalyptic number.

1396331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1396331 is an equidigital number, since it uses as much as digits as its factorization.

1396331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458, while the sum is 26.

The square root of 1396331 is about 1181.6645039943. The cubic root of 1396331 is about 111.7710832437.

The spelling of 1396331 in words is "one million, three hundred ninety-six thousand, three hundred thirty-one".