402964 has 6 divisors (see below), whose sum is σ = 705194. Its totient is φ = 201480.

The previous prime is 402949. The next prime is 402991. The reversal of 402964 is 469204.

It can be written as a sum of positive squares in only one way, i.e., 336400 + 66564 = 580^2 + 258^2 .

It is a congruent number.

It is an unprimeable number.

402964 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50367 + ... + 50374.

2⁴⁰²⁹⁶⁴ is an apocalyptic number.

It is an amenable number.

402964 is a deficient number, since it is larger than the sum of its proper divisors (302230).

402964 is a wasteful number, since it uses less digits than its factorization.

402964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100745 (or 100743 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 402964 is about 634.7944549222. The cubic root of 402964 is about 73.8621734521.

The spelling of 402964 in words is "four hundred two thousand, nine hundred sixty-four".