507871420 has 24 divisors (see below), whose sum is σ = 1218891744. Its totient is φ = 174127296.

The previous prime is 507871369. The next prime is 507871423. The reversal of 507871420 is 24178705.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507871423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1813687 + ... + 1813966.

It is an arithmetic number, because the mean of its divisors is an integer number (50787156).

Almost surely, 2^507871420 is an apocalyptic number.

It is an amenable number.

507871420 is an abundant number, since it is smaller than the sum of its proper divisors (711020324).

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

507871420 is a wasteful number, since it uses less digits than its factorization.

507871420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3627669 (or 3627667 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 507871420 is about 22536.0027511535. The cubic root of 507871420 is about 797.8438921357.

The spelling of 507871420 in words is "five hundred seven million, eight hundred seventy-one thousand, four hundred twenty".