393902 has 8 divisors (see below), whose sum is σ = 606936. Its totient is φ = 191592.

The previous prime is 393901. The next prime is 393919. The reversal of 393902 is 209393.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2588 + ... + 2735.

It is an arithmetic number, because the mean of its divisors is an integer number (75867).

2³⁹³⁹⁰² is an apocalyptic number.

393902 is a deficient number, since it is larger than the sum of its proper divisors (213034).

393902 is a wasteful number, since it uses less digits than its factorization.

393902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5362.

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 393902 is about 627.6161247132. The cubic root of 393902 is about 73.3042906116.

The spelling of 393902 in words is "three hundred ninety-three thousand, nine hundred two".