539172432 has 30 divisors (see below), whose sum is σ = 1508934362. Its totient is φ = 179724096.

The previous prime is 539172419. The next prime is 539172433. The reversal of 539172432 is 234271935.

539172432 is a `hidden beast` number, since 53 + 9 + 172 + 432 = 666.

It can be written as a sum of positive squares in only one way, i.e., 287505936 + 251666496 = 16956^2 + 15864^2 .

It is a super-2 number, since 2×539172432² = 581413822857589248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539172433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1871983 + ... + 1872270.

Almost surely, 2^539172432 is an apocalyptic number.

It is an amenable number.

539172432 is an abundant number, since it is smaller than the sum of its proper divisors (969761930).

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

539172432 is a wasteful number, since it uses less digits than its factorization.

539172432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744267 (or 3744258 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 539172432 is about 23220.0868215431. The cubic root of 539172432 is about 813.9090787416.

The spelling of 539172432 in words is "five hundred thirty-nine million, one hundred seventy-two thousand, four hundred thirty-two".