285761964 has 48 divisors (see below), whose sum is σ = 689794560. Its totient is φ = 92012160.

The previous prime is 285761963. The next prime is 285761977. The reversal of 285761964 is 469167582.

285761964 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (285761963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47857 + ... + 53495.

It is an arithmetic number, because the mean of its divisors is an integer number (14370720).

Almost surely, 2^285761964 is an apocalyptic number.

It is an amenable number.

285761964 is an abundant number, since it is smaller than the sum of its proper divisors (404032596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285761964 is a wasteful number, since it uses less digits than its factorization.

285761964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5790 (or 5788 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 285761964 is about 16904.4953784489. The cubic root of 285761964 is about 658.6703902538.

The spelling of 285761964 in words is "two hundred eighty-five million, seven hundred sixty-one thousand, nine hundred sixty-four".