520434406 has 8 divisors (see below), whose sum is σ = 807570720. Its totient is φ = 251244168.

The previous prime is 520434373. The next prime is 520434407. The reversal of 520434406 is 604434025.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520434407) 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, 4486446 + ... + 4486561.

It is an arithmetic number, because the mean of its divisors is an integer number (100946340).

Almost surely, 2^520434406 is an apocalyptic number.

520434406 is a deficient number, since it is larger than the sum of its proper divisors (287136314).

520434406 is a wasteful number, since it uses less digits than its factorization.

520434406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8973038.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 520434406 is about 22813.0314951784. The cubic root of 520434406 is about 804.3690159799.

The spelling of 520434406 in words is "five hundred twenty million, four hundred thirty-four thousand, four hundred six".