503942976 has 84 divisors (see below), whose sum is σ = 1494320100. Its totient is φ = 162183168.

The previous prime is 503942953. The next prime is 503942987. The reversal of 503942976 is 679249305.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 278222400 + 225720576 = 16680^2 + 15024^2 .

It is a congruent number.

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, 1620 + ... + 31788.

It is an arithmetic number, because the mean of its divisors is an integer number (17789525).

Almost surely, 2^503942976 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 503942976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (747160050).

503942976 is an abundant number, since it is smaller than the sum of its proper divisors (990377124).

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

503942976 is a wasteful number, since it uses less digits than its factorization.

503942976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30216 (or 30203 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 503942976 is about 22448.6742592965. The cubic root of 503942976 is about 795.7814269872.

The spelling of 503942976 in words is "five hundred three million, nine hundred forty-two thousand, nine hundred seventy-six".