1397371498 has 32 divisors (see below), whose sum is σ = 2151515520. Its totient is φ = 680546880.

The previous prime is 1397371487. The next prime is 1397371501. The reversal of 1397371498 is 8941737931.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4769040 + ... + 4769332.

It is an arithmetic number, because the mean of its divisors is an integer number (67234860).

Almost surely, 2^1397371498 is an apocalyptic number.

1397371498 is a deficient number, since it is larger than the sum of its proper divisors (754144022).

1397371498 is a wasteful number, since it uses less digits than its factorization.

1397371498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702.

The product of its digits is 1143072, while the sum is 52.

The square root of 1397371498 is about 37381.4325300677. The cubic root of 1397371498 is about 1117.9883901069.

The spelling of 1397371498 in words is "one billion, three hundred ninety-seven million, three hundred seventy-one thousand, four hundred ninety-eight".