1497987320 has 32 divisors (see below), whose sum is σ = 3411087120. Its totient is φ = 591974400.

The previous prime is 1497987319. The next prime is 1497987329. The reversal of 1497987320 is 237897941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1497987329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222281 + ... + 228920.

Almost surely, 2^1497987320 is an apocalyptic number.

1497987320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1497987320 is an abundant number, since it is smaller than the sum of its proper divisors (1913099800).

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

1497987320 is a wasteful number, since it uses less digits than its factorization.

1497987320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451295 (or 451291 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 1497987320 is about 38703.8411530432. The cubic root of 1497987320 is about 1144.2020259539.

The spelling of 1497987320 in words is "one billion, four hundred ninety-seven million, nine hundred eighty-seven thousand, three hundred twenty".