502272385 has 8 divisors (see below), whose sum is σ = 622169856. Its totient is φ = 388855920.

The previous prime is 502272349. The next prime is 502272439. The reversal of 502272385 is 583272205.

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

It is a de Polignac number, because none of the positive numbers 2^k-502272385 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 502272385.

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, 1620079 + ... + 1620388.

It is an arithmetic number, because the mean of its divisors is an integer number (77771232).

Almost surely, 2^502272385 is an apocalyptic number.

It is an amenable number.

502272385 is a deficient number, since it is larger than the sum of its proper divisors (119897471).

502272385 is a wasteful number, since it uses less digits than its factorization.

502272385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240503.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 502272385 is about 22411.4342468303. The cubic root of 502272385 is about 794.9011044789.

The spelling of 502272385 in words is "five hundred two million, two hundred seventy-two thousand, three hundred eighty-five".