396854091 has 12 divisors (see below), whose sum is σ = 573772368. Its totient is φ = 264320784.

The previous prime is 396854077. The next prime is 396854093. The reversal of 396854091 is 190458693.

It is a happy number.

It is not a de Polignac number, because 396854091 - 2¹³ = 396845899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (396854093) 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, 10335 + ... + 30008.

It is an arithmetic number, because the mean of its divisors is an integer number (47814364).

Almost surely, 2^396854091 is an apocalyptic number.

396854091 is a deficient number, since it is larger than the sum of its proper divisors (176918277).

396854091 is a wasteful number, since it uses less digits than its factorization.

396854091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41442 (or 41439 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 396854091 is about 19921.1970272873. The cubic root of 396854091 is about 734.8696089674.

The spelling of 396854091 in words is "three hundred ninety-six million, eight hundred fifty-four thousand, ninety-one".