396099634 has 24 divisors (see below), whose sum is σ = 704203308. Its totient is φ = 166551840.

The previous prime is 396099619. The next prime is 396099637. The reversal of 396099634 is 436990693.

It can be written as a sum of positive squares in 2 ways, for example, as 391050625 + 5049009 = 19775^2 + 2247^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (396099637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32937 + ... + 43324.

Almost surely, 2^396099634 is an apocalyptic number.

396099634 is a deficient number, since it is larger than the sum of its proper divisors (308103674).

396099634 is a wasteful number, since it uses less digits than its factorization.

396099634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76330 (or 76323 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 49.

The square root of 396099634 is about 19902.2519831299. The cubic root of 396099634 is about 734.4036281075.

The spelling of 396099634 in words is "three hundred ninety-six million, ninety-nine thousand, six hundred thirty-four".