396858894 has 16 divisors (see below), whose sum is σ = 793929600. Its totient is φ = 132251000.

The previous prime is 396858877. The next prime is 396858899. The reversal of 396858894 is 498858693.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396858899) 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, 26269 + ... + 38519.

It is an arithmetic number, because the mean of its divisors is an integer number (49620600).

Almost surely, 2^396858894 is an apocalyptic number.

396858894 is an abundant number, since it is smaller than the sum of its proper divisors (397070706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

396858894 is a wasteful number, since it uses less digits than its factorization.

396858894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17655.

The product of its digits is 14929920, while the sum is 60.

The square root of 396858894 is about 19921.3175769074. The cubic root of 396858894 is about 734.8725735872.

The spelling of 396858894 in words is "three hundred ninety-six million, eight hundred fifty-eight thousand, eight hundred ninety-four".