520038694 has 16 divisors (see below), whose sum is σ = 930256128. Its totient is φ = 213183432.

The previous prime is 520038679. The next prime is 520038697. The reversal of 520038694 is 496830025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520038697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807192 + ... + 807835.

It is an arithmetic number, because the mean of its divisors is an integer number (58141008).

Almost surely, 2^520038694 is an apocalyptic number.

520038694 is a deficient number, since it is larger than the sum of its proper divisors (410217434).

520038694 is a wasteful number, since it uses less digits than its factorization.

520038694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615059.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 520038694 is about 22804.3569082752. The cubic root of 520038694 is about 804.1650971157.

The spelling of 520038694 in words is "five hundred twenty million, thirty-eight thousand, six hundred ninety-four".