324992090 has 32 divisors (see below), whose sum is σ = 602081424. Its totient is φ = 126213120.

The previous prime is 324992069. The next prime is 324992099. The reversal of 324992090 is 90299423.

It can be written as a sum of positive squares in 8 ways, for example, as 220195921 + 104796169 = 14839^2 + 10237^2 .

It is not an unprimeable number, because it can be changed into a prime (324992099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325472 + ... + 326468.

Almost surely, 2^324992090 is an apocalyptic number.

324992090 is a deficient number, since it is larger than the sum of its proper divisors (277089334).

324992090 is a wasteful number, since it uses less digits than its factorization.

324992090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 324992090 is about 18027.5369920575. The cubic root of 324992090 is about 687.5288556484.

The spelling of 324992090 in words is "three hundred twenty-four million, nine hundred ninety-two thousand, ninety".