396844659 has 12 divisors (see below), whose sum is σ = 603389800. Its totient is φ = 250638624.

The previous prime is 396844639. The next prime is 396844667. The reversal of 396844659 is 956448693.

It is not a de Polignac number, because 396844659 - 2⁵ = 396844627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396844639) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1160194 + ... + 1160535.

Almost surely, 2^396844659 is an apocalyptic number.

396844659 is a deficient number, since it is larger than the sum of its proper divisors (206545141).

396844659 is a wasteful number, since it uses less digits than its factorization.

396844659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320754 (or 2320751 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The square root of 396844659 is about 19920.9602931184. The cubic root of 396844659 is about 734.8637870585.

The spelling of 396844659 in words is "three hundred ninety-six million, eight hundred forty-four thousand, six hundred fifty-nine".