396099635 has 4 divisors (see below), whose sum is σ = 475319568. Its totient is φ = 316879704.

The previous prime is 396099619. The next prime is 396099637. The reversal of 396099635 is 536990693.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 396099635 - 2⁴ = 396099619 is a prime.

It is a Duffinian number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39609959 + ... + 39609968.

It is an arithmetic number, because the mean of its divisors is an integer number (118829892).

Almost surely, 2^396099635 is an apocalyptic number.

396099635 is a deficient number, since it is larger than the sum of its proper divisors (79219933).

396099635 is an equidigital number, since it uses as much as digits as its factorization.

396099635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79219932.

The product of its (nonzero) digits is 1180980, while the sum is 50.

The square root of 396099635 is about 19902.2520082527. The cubic root of 396099635 is about 734.4036287255.

The spelling of 396099635 in words is "three hundred ninety-six million, ninety-nine thousand, six hundred thirty-five".