1397004356 has 24 divisors (see below), whose sum is σ = 2758976640. Its totient is φ = 613104800.

The previous prime is 1397004311. The next prime is 1397004361. The reversal of 1397004356 is 6534007931.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546140 + ... + 548691.

It is an arithmetic number, because the mean of its divisors is an integer number (114957360).

Almost surely, 2^1397004356 is an apocalyptic number.

It is an amenable number.

1397004356 is a deficient number, since it is larger than the sum of its proper divisors (1361972284).

1397004356 is a wasteful number, since it uses less digits than its factorization.

1397004356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094875 (or 1094873 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 1397004356 is about 37376.5214539823. The cubic root of 1397004356 is about 1117.8904690107.

The spelling of 1397004356 in words is "one billion, three hundred ninety-seven million, four thousand, three hundred fifty-six".