285414628 has 6 divisors (see below), whose sum is σ = 499475606. Its totient is φ = 142707312.

The previous prime is 285414617. The next prime is 285414641. The reversal of 285414628 is 826414582.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 255296484 + 30118144 = 15978^2 + 5488^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35676825 + ... + 35676832.

Almost surely, 2^285414628 is an apocalyptic number.

It is an amenable number.

285414628 is a deficient number, since it is larger than the sum of its proper divisors (214060978).

285414628 is a wasteful number, since it uses less digits than its factorization.

285414628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71353661 (or 71353659 counting only the distinct ones).

The product of its digits is 122880, while the sum is 40.

The square root of 285414628 is about 16894.2187744802. The cubic root of 285414628 is about 658.4034166626.

The spelling of 285414628 in words is "two hundred eighty-five million, four hundred fourteen thousand, six hundred twenty-eight".