287970264 has 96 divisors (see below), whose sum is σ = 799390800. Its totient is φ = 93623040.

The previous prime is 287970257. The next prime is 287970283. The reversal of 287970264 is 462079782.

287970264 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 759627 + ... + 760005.

Almost surely, 2^287970264 is an apocalyptic number.

287970264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 287970264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399695400).

287970264 is an abundant number, since it is smaller than the sum of its proper divisors (511420536).

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

287970264 is a wasteful number, since it uses less digits than its factorization.

287970264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 287970264 is about 16969.6866205596. The cubic root of 287970264 is about 660.3627207308.

The spelling of 287970264 in words is "two hundred eighty-seven million, nine hundred seventy thousand, two hundred sixty-four".