285585434 has 8 divisors (see below), whose sum is σ = 447003360. Its totient is φ = 136584316.

The previous prime is 285585427. The next prime is 285585449. The reversal of 285585434 is 434585582.

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

It is a super-2 number, since 2×285585434² = 163118080225936712, which contains 22 as substring.

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, 3104144 + ... + 3104235.

It is an arithmetic number, because the mean of its divisors is an integer number (55875420).

Almost surely, 2^285585434 is an apocalyptic number.

285585434 is a deficient number, since it is larger than the sum of its proper divisors (161417926).

285585434 is a wasteful number, since it uses less digits than its factorization.

285585434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6208404.

The product of its digits is 768000, while the sum is 44.

The square root of 285585434 is about 16899.2731796370. The cubic root of 285585434 is about 658.5347306840.

The spelling of 285585434 in words is "two hundred eighty-five million, five hundred eighty-five thousand, four hundred thirty-four".