505243436 has 12 divisors (see below), whose sum is σ = 908072928. Its totient is φ = 245794032.

The previous prime is 505243429. The next prime is 505243469. The reversal of 505243436 is 634342505.

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, 1706756 + ... + 1707051.

It is an arithmetic number, because the mean of its divisors is an integer number (75672744).

Almost surely, 2^505243436 is an apocalyptic number.

It is an amenable number.

505243436 is a deficient number, since it is larger than the sum of its proper divisors (402829492).

505243436 is a wasteful number, since it uses less digits than its factorization.

505243436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413848 (or 3413846 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 505243436 is about 22477.6207815685. The cubic root of 505243436 is about 796.4653621696.

The spelling of 505243436 in words is "five hundred five million, two hundred forty-three thousand, four hundred thirty-six".