504428736 has 84 divisors (see below), whose sum is σ = 1552562808. Its totient is φ = 144119808.

The previous prime is 504428713. The next prime is 504428753. The reversal of 504428736 is 637824405.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (84).

It is a junction number, because it is equal to n+sod(n) for n = 504428694 and 504428703.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17401 + ... + 36216.

Almost surely, 2^504428736 is an apocalyptic number.

504428736 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

504428736 is an abundant number, since it is smaller than the sum of its proper divisors (1048134072).

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

504428736 is a wasteful number, since it uses less digits than its factorization.

504428736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53646 (or 53629 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 504428736 is about 22459.4910004657. The cubic root of 504428736 is about 796.0370343787.

The spelling of 504428736 in words is "five hundred four million, four hundred twenty-eight thousand, seven hundred thirty-six".