505415604 has 24 divisors (see below), whose sum is σ = 1180666368. Its totient is φ = 168277120.

The previous prime is 505415587. The next prime is 505415621. The reversal of 505415604 is 406514505.

It is an interprime number because it is at equal distance from previous prime (505415587) and next prime (505415621).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13332 + ... + 34475.

It is an arithmetic number, because the mean of its divisors is an integer number (49194432).

Almost surely, 2^505415604 is an apocalyptic number.

It is an amenable number.

505415604 is an abundant number, since it is smaller than the sum of its proper divisors (675250764).

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

505415604 is a wasteful number, since it uses less digits than its factorization.

505415604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48695 (or 48693 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 505415604 is about 22481.4502201259. The cubic root of 505415604 is about 796.5558203961. Note that the first 3 decimals are identical.

The spelling of 505415604 in words is "five hundred five million, four hundred fifteen thousand, six hundred four".