501874436 has 24 divisors (see below), whose sum is σ = 1056578880. Its totient is φ = 203768352.

The previous prime is 501874433. The next prime is 501874463. The reversal of 501874436 is 634478105.

It is a super-3 number, since 3×501874436³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 501874436.

It is not an unprimeable number, because it can be changed into a prime (501874433) 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, 471155 + ... + 472218.

It is an arithmetic number, because the mean of its divisors is an integer number (44024120).

Almost surely, 2^501874436 is an apocalyptic number.

It is an amenable number.

501874436 is an abundant number, since it is smaller than the sum of its proper divisors (554704444).

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

501874436 is a wasteful number, since it uses less digits than its factorization.

501874436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943403 (or 943401 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 501874436 is about 22402.5542293730. The cubic root of 501874436 is about 794.6911163740.

The spelling of 501874436 in words is "five hundred one million, eight hundred seventy-four thousand, four hundred thirty-six".