1397413924 has 9 divisors (see below), whose sum is σ = 2445605211. Its totient is φ = 698669580.

The previous prime is 1397413909. The next prime is 1397413931. The reversal of 1397413924 is 4293147931.

The square root of 1397413924 is 37382.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 65419 + ... + 84109.

Almost surely, 2^1397413924 is an apocalyptic number.

1397413924 is the 37382-nd square number.

It is an amenable number.

1397413924 is a deficient number, since it is larger than the sum of its proper divisors (1048191287).

1397413924 is an frugal number, since it uses more digits than its factorization.

1397413924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37386 (or 18693 counting only the distinct ones).

The product of its digits is 163296, while the sum is 43.

The cubic root of 1397413924 is about 1117.9997045153. Note that the first 3 decimals are identical.

The spelling of 1397413924 in words is "one billion, three hundred ninety-seven million, four hundred thirteen thousand, nine hundred twenty-four".