505402634 has 8 divisors (see below), whose sum is σ = 827022528. Its totient is φ = 229728460.

The previous prime is 505402591. The next prime is 505402643. The reversal of 505402634 is 436204505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 505402597 and 505402606.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11486402 + ... + 11486445.

It is an arithmetic number, because the mean of its divisors is an integer number (103377816).

Almost surely, 2^505402634 is an apocalyptic number.

505402634 is a deficient number, since it is larger than the sum of its proper divisors (321619894).

505402634 is a wasteful number, since it uses less digits than its factorization.

505402634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22972860.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 505402634 is about 22481.1617582366. The cubic root of 505402634 is about 796.5490065864.

The spelling of 505402634 in words is "five hundred five million, four hundred two thousand, six hundred thirty-four".