1497494892 has 18 divisors (see below), whose sum is σ = 3494467564. Its totient is φ = 499120280.

The previous prime is 1497494863. The next prime is 1497494903. The reversal of 1497494892 is 2984947941.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128467 + ... + 139637.

Almost surely, 2^1497494892 is an apocalyptic number.

1497494892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1497494892 is an abundant number, since it is smaller than the sum of its proper divisors (1996972672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1497494892 is an frugal number, since it uses more digits than its factorization.

1497494892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22349 (or 11176 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 57.

The square root of 1497494892 is about 38697.4791427039. The cubic root of 1497494892 is about 1144.0766357369.

The spelling of 1497494892 in words is "one billion, four hundred ninety-seven million, four hundred ninety-four thousand, eight hundred ninety-two".