396221298 has 32 divisors (see below), whose sum is σ = 865276992. Its totient is φ = 119956800.

The previous prime is 396221257. The next prime is 396221303. The reversal of 396221298 is 892122693.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96528 + ... + 100548.

It is an arithmetic number, because the mean of its divisors is an integer number (27039906).

Almost surely, 2^396221298 is an apocalyptic number.

396221298 is an abundant number, since it is smaller than the sum of its proper divisors (469055694).

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

396221298 is a wasteful number, since it uses less digits than its factorization.

396221298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5530.

The product of its digits is 93312, while the sum is 42.

The square root of 396221298 is about 19905.3082869872. The cubic root of 396221298 is about 734.4788123362.

The spelling of 396221298 in words is "three hundred ninety-six million, two hundred twenty-one thousand, two hundred ninety-eight".