505406374 has 32 divisors (see below), whose sum is σ = 863965440. Its totient is φ = 219626400.

The previous prime is 505406353. The next prime is 505406381. The reversal of 505406374 is 473604505.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61869 + ... + 69559.

It is an arithmetic number, because the mean of its divisors is an integer number (26998920).

Almost surely, 2^505406374 is an apocalyptic number.

505406374 is a deficient number, since it is larger than the sum of its proper divisors (358559066).

505406374 is a wasteful number, since it uses less digits than its factorization.

505406374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7836.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 505406374 is about 22481.2449388374. The cubic root of 505406374 is about 796.5509714132.

The spelling of 505406374 in words is "five hundred five million, four hundred six thousand, three hundred seventy-four".