392402 has 4 divisors (see below), whose sum is σ = 588606. Its totient is φ = 196200.

The previous prime is 392389. The next prime is 392423. The reversal of 392402 is 204293.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204293 = 43 ⋅4751.

It can be written as a sum of positive squares in only one way, i.e., 241081 + 151321 = 491^2 + 389^2 .

It is a plaindrome in base 11.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 392402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98099 + ... + 98102.

2³⁹²⁴⁰² is an apocalyptic number.

392402 is a deficient number, since it is larger than the sum of its proper divisors (196204).

392402 is a wasteful number, since it uses less digits than its factorization.

392402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196203.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 392402 is about 626.4199869097. The cubic root of 392402 is about 73.2111233557.

Adding to 392402 its reverse (204293), we get a palindrome (596695).

The spelling of 392402 in words is "three hundred ninety-two thousand, four hundred two".