538739402 has 8 divisors (see below), whose sum is σ = 809460000. Its totient is φ = 268919404.

The previous prime is 538739381. The next prime is 538739413. The reversal of 538739402 is 204937835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 538739402.

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, 223652 + ... + 226047.

It is an arithmetic number, because the mean of its divisors is an integer number (101182500).

Almost surely, 2^538739402 is an apocalyptic number.

538739402 is a deficient number, since it is larger than the sum of its proper divisors (270720598).

538739402 is a wasteful number, since it uses less digits than its factorization.

538739402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450300.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 538739402 is about 23210.7604787090. The cubic root of 538739402 is about 813.6911265466.

The spelling of 538739402 in words is "five hundred thirty-eight million, seven hundred thirty-nine thousand, four hundred two".