502628385 has 16 divisors (see below), whose sum is σ = 919092096. Its totient is φ = 229772928.

The previous prime is 502628381. The next prime is 502628393. The reversal of 502628385 is 583826205.

It is not a de Polignac number, because 502628385 - 2² = 502628381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (502628381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2393364 + ... + 2393573.

It is an arithmetic number, because the mean of its divisors is an integer number (57443256).

Almost surely, 2^502628385 is an apocalyptic number.

It is an amenable number.

502628385 is a deficient number, since it is larger than the sum of its proper divisors (416463711).

502628385 is a wasteful number, since it uses less digits than its factorization.

502628385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4786952.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 502628385 is about 22419.3752143096. The cubic root of 502628385 is about 795.0888631335.

It can be divided in two parts, 5026 and 28385, that added together give a triangular number (33411 = T₂₅₈).

The spelling of 502628385 in words is "five hundred two million, six hundred twenty-eight thousand, three hundred eighty-five".