285424964 has 24 divisors (see below), whose sum is σ = 549415776. Its totient is φ = 129736200.

The previous prime is 285424943. The next prime is 285424999. The reversal of 285424964 is 469424582.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21482 + ... + 32129.

It is an arithmetic number, because the mean of its divisors is an integer number (22892324).

Almost surely, 2^285424964 is an apocalyptic number.

It is an amenable number.

285424964 is a deficient number, since it is larger than the sum of its proper divisors (263990812).

285424964 is a wasteful number, since it uses less digits than its factorization.

285424964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53648 (or 53624 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The square root of 285424964 is about 16894.5246751721. The cubic root of 285424964 is about 658.4113643697.

The spelling of 285424964 in words is "two hundred eighty-five million, four hundred twenty-four thousand, nine hundred sixty-four".