504981396 has 72 divisors (see below), whose sum is σ = 1364860224. Its totient is φ = 156867840.

The previous prime is 504981377. The next prime is 504981397. The reversal of 504981396 is 693189405.

It is a happy number.

504981396 is a `hidden beast` number, since 504 + 9 + 8 + 139 + 6 = 666.

It is a super-2 number, since 2×504981396² = 510012420612217632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504981397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59031 + ... + 67041.

It is an arithmetic number, because the mean of its divisors is an integer number (18956392).

Almost surely, 2^504981396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 504981396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (682430112).

504981396 is an abundant number, since it is smaller than the sum of its proper divisors (859878828).

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

504981396 is a wasteful number, since it uses less digits than its factorization.

504981396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8141 (or 8136 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 504981396 is about 22471.7911168647. The cubic root of 504981396 is about 796.3276451404.

The spelling of 504981396 in words is "five hundred four million, nine hundred eighty-one thousand, three hundred ninety-six".