396081 has 12 divisors (see below), whose sum is σ = 653952. Its totient is φ = 226296.

The previous prime is 396079. The next prime is 396091. The reversal of 396081 is 180693.

It is not a de Polignac number, because 396081 - 2¹ = 396079 is a prime.

It is a super-2 number, since 2×396081² = 313760317122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (396001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3081 + ... + 3206.

It is an arithmetic number, because the mean of its divisors is an integer number (54496).

2³⁹⁶⁰⁸¹ is an apocalyptic number.

It is an amenable number.

396081 is a deficient number, since it is larger than the sum of its proper divisors (257871).

396081 is a wasteful number, since it uses less digits than its factorization.

396081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6300 (or 6297 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 396081 is about 629.3496643361. The cubic root of 396081 is about 73.4392111567.

The spelling of 396081 in words is "three hundred ninety-six thousand, eighty-one".