396578089 has 8 divisors (see below), whose sum is σ = 417680000. Its totient is φ = 375499152.

The previous prime is 396578081. The next prime is 396578093. The reversal of 396578089 is 980875693.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 396578089 - 2³ = 396578081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396578081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38512 + ... + 47710.

It is an arithmetic number, because the mean of its divisors is an integer number (52210000).

Almost surely, 2^396578089 is an apocalyptic number.

It is an amenable number.

396578089 is a deficient number, since it is larger than the sum of its proper divisors (21101911).

396578089 is a wasteful number, since it uses less digits than its factorization.

396578089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11487.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 396578089 is about 19914.2684776519. The cubic root of 396578089 is about 734.6992083721.

The spelling of 396578089 in words is "three hundred ninety-six million, five hundred seventy-eight thousand, eighty-nine".