392399 has 8 divisors (see below), whose sum is σ = 464160. Its totient is φ = 324576.

The previous prime is 392389. The next prime is 392423. The reversal of 392399 is 993293.

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

It is not a de Polignac number, because 392399 - 2⁴ = 392383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764 + ... + 1169.

It is an arithmetic number, because the mean of its divisors is an integer number (58020).

2³⁹²³⁹⁹ is an apocalyptic number.

392399 is a deficient number, since it is larger than the sum of its proper divisors (71761).

392399 is a wasteful number, since it uses less digits than its factorization.

392399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969.

The product of its digits is 13122, while the sum is 35.

The square root of 392399 is about 626.4175923456. The cubic root of 392399 is about 73.2109367834.

The spelling of 392399 in words is "three hundred ninety-two thousand, three hundred ninety-nine".