1497297992 has 16 divisors (see below), whose sum is σ = 2827633200. Its totient is φ = 743262480.

The previous prime is 1497297943. The next prime is 1497298003. The reversal of 1497297992 is 2997927941.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672134 + ... + 674357.

It is an arithmetic number, because the mean of its divisors is an integer number (176727075).

Almost surely, 2^1497297992 is an apocalyptic number.

It is an amenable number.

1497297992 is a deficient number, since it is larger than the sum of its proper divisors (1330335208).

1497297992 is a wasteful number, since it uses less digits than its factorization.

1497297992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346636 (or 1346632 counting only the distinct ones).

The product of its digits is 5143824, while the sum is 59.

The square root of 1497297992 is about 38694.9349657032. The cubic root of 1497297992 is about 1144.0264900870.

The spelling of 1497297992 in words is "one billion, four hundred ninety-seven million, two hundred ninety-seven thousand, nine hundred ninety-two".