539684994 has 8 divisors (see below), whose sum is σ = 1079370000. Its totient is φ = 179894996.

The previous prime is 539684993. The next prime is 539685001. The reversal of 539684994 is 499486935.

It is a happy number.

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

539684994 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (539684993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44973744 + ... + 44973755.

It is an arithmetic number, because the mean of its divisors is an integer number (134921250).

Almost surely, 2^539684994 is an apocalyptic number.

539684994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

539684994 is a wasteful number, since it uses less digits than its factorization.

539684994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89947504.

The product of its digits is 8398080, while the sum is 57.

The square root of 539684994 is about 23231.1212385455. The cubic root of 539684994 is about 814.1669101351.

The spelling of 539684994 in words is "five hundred thirty-nine million, six hundred eighty-four thousand, nine hundred ninety-four".