503285400 has 240 divisors, whose sum is σ = 1787876640. Its totient is φ = 131155200.

The previous prime is 503285383. The next prime is 503285449. The reversal of 503285400 is 4582305.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 761070 + ... + 761730.

It is an arithmetic number, because the mean of its divisors is an integer number (7449486).

Almost surely, 2^503285400 is an apocalyptic number.

503285400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503285400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (893938320).

503285400 is an abundant number, since it is smaller than the sum of its proper divisors (1284591240).

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

503285400 is a wasteful number, since it uses less digits than its factorization.

503285400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 503285400 is about 22434.0232682415. The cubic root of 503285400 is about 795.4351480341.

The spelling of 503285400 in words is "five hundred three million, two hundred eighty-five thousand, four hundred".