396394 has 4 divisors (see below), whose sum is σ = 594594. Its totient is φ = 198196.

The previous prime is 396379. The next prime is 396413. The reversal of 396394 is 493693.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 263169 + 133225 = 513^2 + 365^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99097 + ... + 99100.

2³⁹⁶³⁹⁴ is an apocalyptic number.

396394 is a deficient number, since it is larger than the sum of its proper divisors (198200).

396394 is a wasteful number, since it uses less digits than its factorization.

396394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198199.

The product of its digits is 17496, while the sum is 34.

The square root of 396394 is about 629.5982846228. The cubic root of 396394 is about 73.4585509894.

The spelling of 396394 in words is "three hundred ninety-six thousand, three hundred ninety-four".