538293320 has 16 divisors (see below), whose sum is σ = 1211160060. Its totient is φ = 215317312.

The previous prime is 538293317. The next prime is 538293359. The reversal of 538293320 is 23392835.

It can be written as a sum of positive squares in 2 ways, for example, as 502028836 + 36264484 = 22406^2 + 6022^2 .

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, 6728627 + ... + 6728706.

Almost surely, 2^538293320 is an apocalyptic number.

It is an amenable number.

538293320 is an abundant number, since it is smaller than the sum of its proper divisors (672866740).

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

538293320 is a wasteful number, since it uses less digits than its factorization.

538293320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13457344 (or 13457340 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 538293320 is about 23201.1491094730. The cubic root of 538293320 is about 813.4664828743.

The spelling of 538293320 in words is "five hundred thirty-eight million, two hundred ninety-three thousand, three hundred twenty".