396994 has 8 divisors (see below), whose sum is σ = 641340. Its totient is φ = 183216.

The previous prime is 396983. The next prime is 396997. The reversal of 396994 is 499693.

It can be written as a sum of positive squares in 2 ways, for example, as 378225 + 18769 = 615^2 + 137^2 .

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

It is not an unprimeable number, because it can be changed into a prime (396997) 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, 7609 + ... + 7660.

2³⁹⁶⁹⁹⁴ is an apocalyptic number.

396994 is a deficient number, since it is larger than the sum of its proper divisors (244346).

396994 is a wasteful number, since it uses less digits than its factorization.

396994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15284.

The product of its digits is 52488, while the sum is 40.

The square root of 396994 is about 630.0745987580. The cubic root of 396994 is about 73.4955957069.

The spelling of 396994 in words is "three hundred ninety-six thousand, nine hundred ninety-four".