1396977026 has 16 divisors (see below), whose sum is σ = 2106736128. Its totient is φ = 694742400.

The previous prime is 1396977017. The next prime is 1396977037. The reversal of 1396977026 is 6207796931.

It is a super-2 number, since 2×1396977026² = 3903089622343609352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301991 + ... + 306581.

It is an arithmetic number, because the mean of its divisors is an integer number (131671008).

Almost surely, 2^1396977026 is an apocalyptic number.

1396977026 is a deficient number, since it is larger than the sum of its proper divisors (709759102).

1396977026 is a wasteful number, since it uses less digits than its factorization.

1396977026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5377.

The product of its (nonzero) digits is 857304, while the sum is 50.

The square root of 1396977026 is about 37376.1558483480. The cubic root of 1396977026 is about 1117.8831790917.

The spelling of 1396977026 in words is "one billion, three hundred ninety-six million, nine hundred seventy-seven thousand, twenty-six".