538334990 has 8 divisors (see below), whose sum is σ = 969003000. Its totient is φ = 215333992.

The previous prime is 538334989. The next prime is 538335013. The reversal of 538334990 is 99433835.

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

It is a super-2 number, since 2×538334990² = 579609122916600200, which contains 22 as substring.

It is a congruent number.

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, 26916740 + ... + 26916759.

It is an arithmetic number, because the mean of its divisors is an integer number (121125375).

Almost surely, 2^538334990 is an apocalyptic number.

538334990 is a deficient number, since it is larger than the sum of its proper divisors (430668010).

538334990 is a wasteful number, since it uses less digits than its factorization.

538334990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53833506.

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 538334990 is about 23202.0471079601. The cubic root of 538334990 is about 813.4874728392.

The spelling of 538334990 in words is "five hundred thirty-eight million, three hundred thirty-four thousand, nine hundred ninety".