396946 has 8 divisors (see below), whose sum is σ = 649584. Its totient is φ = 180420.

The previous prime is 396943. The next prime is 396947. The reversal of 396946 is 649693.

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

It is a super-2 number, since 2×396946² = 315132253832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (396943) 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, 9000 + ... + 9043.

It is an arithmetic number, because the mean of its divisors is an integer number (81198).

2³⁹⁶⁹⁴⁶ is an apocalyptic number.

396946 is a deficient number, since it is larger than the sum of its proper divisors (252638).

396946 is a wasteful number, since it uses less digits than its factorization.

396946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18056.

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

The square root of 396946 is about 630.0365068788. The cubic root of 396946 is about 73.4926335036.

The spelling of 396946 in words is "three hundred ninety-six thousand, nine hundred forty-six".