285872355 has 16 divisors (see below), whose sum is σ = 508217760. Its totient is φ = 152465184.

The previous prime is 285872339. The next prime is 285872371. The reversal of 285872355 is 553278582.

It is an interprime number because it is at equal distance from previous prime (285872339) and next prime (285872371).

It is not a de Polignac number, because 285872355 - 2⁴ = 285872339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 285872355.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1058652 + ... + 1058921.

It is an arithmetic number, because the mean of its divisors is an integer number (31763610).

Almost surely, 2^285872355 is an apocalyptic number.

285872355 is a deficient number, since it is larger than the sum of its proper divisors (222345405).

285872355 is a wasteful number, since it uses less digits than its factorization.

285872355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117587 (or 2117581 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The square root of 285872355 is about 16907.7602005706. The cubic root of 285872355 is about 658.7551950113.

The spelling of 285872355 in words is "two hundred eighty-five million, eight hundred seventy-two thousand, three hundred fifty-five".