539964894 has 32 divisors (see below), whose sum is σ = 1235105280. Its totient is φ = 154163232.

The previous prime is 539964847. The next prime is 539964899. The reversal of 539964894 is 498469935.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539964899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66247 + ... + 73949.

It is an arithmetic number, because the mean of its divisors is an integer number (38597040).

Almost surely, 2^539964894 is an apocalyptic number.

539964894 is an abundant number, since it is smaller than the sum of its proper divisors (695140386).

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

539964894 is a wasteful number, since it uses less digits than its factorization.

539964894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9384.

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

The square root of 539964894 is about 23237.1447041154. The cubic root of 539964894 is about 814.3076378655.

The spelling of 539964894 in words is "five hundred thirty-nine million, nine hundred sixty-four thousand, eight hundred ninety-four".