396402 has 8 divisors (see below), whose sum is σ = 792816. Its totient is φ = 132132.

The previous prime is 396379. The next prime is 396413. The reversal of 396402 is 204693.

It is a sphenic number, since it is the product of 3 distinct primes.

396402 is an admirable number.

It is an unprimeable number.

396402 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 3 ways as a sum of consecutive naturals, for example, 33028 + ... + 33039.

It is an arithmetic number, because the mean of its divisors is an integer number (99102).

2³⁹⁶⁴⁰² is an apocalyptic number.

396402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

396402 is a wasteful number, since it uses less digits than its factorization.

396402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66072.

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

The square root of 396402 is about 629.6046378482. The cubic root of 396402 is about 73.4590451648.

It can be divided in two parts, 39 and 6402, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 396402 in words is "three hundred ninety-six thousand, four hundred two".