396765226 has 32 divisors (see below), whose sum is σ = 729606528. Its totient is φ = 159234240.

The previous prime is 396765221. The next prime is 396765233. The reversal of 396765226 is 622567693.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (396765221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23581 + ... + 36736.

It is an arithmetic number, because the mean of its divisors is an integer number (22800204).

Almost surely, 2^396765226 is an apocalyptic number.

396765226 is a deficient number, since it is larger than the sum of its proper divisors (332841302).

396765226 is a wasteful number, since it uses less digits than its factorization.

396765226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60366.

The product of its digits is 816480, while the sum is 46.

The square root of 396765226 is about 19918.9664892534. The cubic root of 396765226 is about 734.8147533212.

The spelling of 396765226 in words is "three hundred ninety-six million, seven hundred sixty-five thousand, two hundred twenty-six".