1396931 has 4 divisors (see below), whose sum is σ = 1410864. Its totient is φ = 1383000.

The previous prime is 1396909. The next prime is 1396939.

1396931 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1396931 - 2⁶ = 1396867 is a prime.

It is a super-2 number, since 2×1396931² = 3902832437522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1396939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6815 + ... + 7016.

It is an arithmetic number, because the mean of its divisors is an integer number (352716).

2^1396931 is an apocalyptic number.

1396931 is a deficient number, since it is larger than the sum of its proper divisors (13933).

1396931 is a wasteful number, since it uses less digits than its factorization.

1396931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13932.

The product of its digits is 4374, while the sum is 32.

The square root of 1396931 is about 1181.9183558943. The cubic root of 1396931 is about 111.7870902045.

The spelling of 1396931 in words is "one million, three hundred ninety-six thousand, nine hundred thirty-one".