402883287 has 4 divisors (see below), whose sum is σ = 537177720. Its totient is φ = 268588856.

The previous prime is 402883279. The next prime is 402883301. The reversal of 402883287 is 782388204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 402883287 - 2³ = 402883279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402883237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67147212 + ... + 67147217.

It is an arithmetic number, because the mean of its divisors is an integer number (134294430).

Almost surely, 2^402883287 is an apocalyptic number.

402883287 is a deficient number, since it is larger than the sum of its proper divisors (134294433).

402883287 is a wasteful number, since it uses less digits than its factorization.

402883287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134294432.

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 402883287 is about 20071.9527450620. The cubic root of 402883287 is about 738.5724163381.

The spelling of 402883287 in words is "four hundred two million, eight hundred eighty-three thousand, two hundred eighty-seven".