505537838 has 16 divisors (see below), whose sum is σ = 852145056. Its totient is φ = 223180320.

The previous prime is 505537829. The next prime is 505537841. The reversal of 505537838 is 838735505.

It is a Curzon number.

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, 422093 + ... + 423288.

It is an arithmetic number, because the mean of its divisors is an integer number (53259066).

Almost surely, 2^505537838 is an apocalyptic number.

505537838 is a deficient number, since it is larger than the sum of its proper divisors (346607218).

505537838 is a wasteful number, since it uses less digits than its factorization.

505537838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845419.

The product of its (nonzero) digits is 504000, while the sum is 44.

The square root of 505537838 is about 22484.1686081563. The cubic root of 505537838 is about 796.6200304938.

The spelling of 505537838 in words is "five hundred five million, five hundred thirty-seven thousand, eight hundred thirty-eight".