396893121 has 8 divisors (see below), whose sum is σ = 530085600. Its totient is φ = 264148032.

The previous prime is 396893099. The next prime is 396893137. The reversal of 396893121 is 121398693.

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

It is not a de Polignac number, because 396893121 - 2⁹ = 396892609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (396893171) 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, 109771 + ... + 113328.

It is an arithmetic number, because the mean of its divisors is an integer number (66260700).

Almost surely, 2^396893121 is an apocalyptic number.

It is an amenable number.

396893121 is a deficient number, since it is larger than the sum of its proper divisors (133192479).

396893121 is a wasteful number, since it uses less digits than its factorization.

396893121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223695.

The product of its digits is 69984, while the sum is 42.

The square root of 396893121 is about 19922.1766130109. The cubic root of 396893121 is about 734.8936992827.

The spelling of 396893121 in words is "three hundred ninety-six million, eight hundred ninety-three thousand, one hundred twenty-one".