285474886 has 8 divisors (see below), whose sum is σ = 450749880. Its totient is φ = 135224928.

The previous prime is 285474859. The next prime is 285474949. The reversal of 285474886 is 688474582.

It is a happy number.

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

It is a congruent number.

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, 3756211 + ... + 3756286.

It is an arithmetic number, because the mean of its divisors is an integer number (56343735).

Almost surely, 2^285474886 is an apocalyptic number.

285474886 is a deficient number, since it is larger than the sum of its proper divisors (165274994).

285474886 is a wasteful number, since it uses less digits than its factorization.

285474886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7512518.

The product of its digits is 3440640, while the sum is 52.

The square root of 285474886 is about 16896.0020714961. The cubic root of 285474886 is about 658.4497484170.

It can be divided in two parts, 28547 and 4886, that added together give a palindrome (33433).

The spelling of 285474886 in words is "two hundred eighty-five million, four hundred seventy-four thousand, eight hundred eighty-six".