402936 has 32 divisors (see below), whose sum is σ = 1023360. Its totient is φ = 132192.

The previous prime is 402923. The next prime is 402943. The reversal of 402936 is 639204.

402936 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

402936 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2391 + ... + 2553.

It is an arithmetic number, because the mean of its divisors is an integer number (31980).

2⁴⁰²⁹³⁶ is an apocalyptic number.

It is an amenable number.

402936 is an abundant number, since it is smaller than the sum of its proper divisors (620424).

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

402936 is a wasteful number, since it uses less digits than its factorization.

402936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 402936 is about 634.7724001562. The cubic root of 402936 is about 73.8604626386.

The spelling of 402936 in words is "four hundred two thousand, nine hundred thirty-six".