394392 has 16 divisors (see below), whose sum is σ = 986040. Its totient is φ = 131456.

The previous prime is 394369. The next prime is 394393. The reversal of 394392 is 293493.

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 394392.

It is not an unprimeable number, because it can be changed into a prime (394393) 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, 8193 + ... + 8240.

2³⁹⁴³⁹² is an apocalyptic number.

It is an amenable number.

394392 is an abundant number, since it is smaller than the sum of its proper divisors (591648).

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

394392 is a wasteful number, since it uses less digits than its factorization.

394392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16442 (or 16438 counting only the distinct ones).

The product of its digits is 5832, while the sum is 30.

The square root of 394392 is about 628.0063693945. The cubic root of 394392 is about 73.3346739883.

It can be divided in two parts, 3 and 94392, that added together give a triangular number (94395 = T₄₃₄).

The spelling of 394392 in words is "three hundred ninety-four thousand, three hundred ninety-two".