402884 has 12 divisors (see below), whose sum is σ = 720384. Its totient is φ = 197064.

The previous prime is 402881. The next prime is 402923. The reversal of 402884 is 488204.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 402884.

It is not an unprimeable number, because it can be changed into a prime (402881) 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, 884 + ... + 1259.

It is an arithmetic number, because the mean of its divisors is an integer number (60032).

2⁴⁰²⁸⁸⁴ is an apocalyptic number.

It is an amenable number.

402884 is a deficient number, since it is larger than the sum of its proper divisors (317500).

402884 is a wasteful number, since it uses less digits than its factorization.

402884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194 (or 2192 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 402884 is about 634.7314392718. The cubic root of 402884 is about 73.8572852032.

The spelling of 402884 in words is "four hundred two thousand, eight hundred eighty-four".