501215896 has 64 divisors (see below), whose sum is σ = 1069977600. Its totient is φ = 218644992.

The previous prime is 501215881. The next prime is 501215921. The reversal of 501215896 is 698512105.

501215896 is nontrivially palindromic in base 3.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119385 + ... + 123511.

It is an arithmetic number, because the mean of its divisors is an integer number (16718400).

Almost surely, 2^501215896 is an apocalyptic number.

It is an amenable number.

501215896 is an abundant number, since it is smaller than the sum of its proper divisors (568761704).

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

501215896 is a wasteful number, since it uses less digits than its factorization.

501215896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4216 (or 4212 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 37.

The square root of 501215896 is about 22387.8515271118. The cubic root of 501215896 is about 794.3433767021.

The spelling of 501215896 in words is "five hundred one million, two hundred fifteen thousand, eight hundred ninety-six".