396694 has 4 divisors (see below), whose sum is σ = 595044. Its totient is φ = 198346.

The previous prime is 396679. The next prime is 396703. The reversal of 396694 is 496693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 496693 = 43 ⋅11551.

It is a super-2 number, since 2×396694² = 314732259272, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99172 + ... + 99175.

It is an arithmetic number, because the mean of its divisors is an integer number (148761).

2³⁹⁶⁶⁹⁴ is an apocalyptic number.

396694 is a deficient number, since it is larger than the sum of its proper divisors (198350).

396694 is a wasteful number, since it uses less digits than its factorization.

396694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198349.

The product of its digits is 34992, while the sum is 37.

The square root of 396694 is about 629.8364867170. The cubic root of 396694 is about 73.4770780173.

Subtracting 396694 from its reverse (496693), we obtain a palindrome (99999).

The spelling of 396694 in words is "three hundred ninety-six thousand, six hundred ninety-four".