396308105 has 4 divisors (see below), whose sum is σ = 475569732. Its totient is φ = 317046480.

The previous prime is 396308071. The next prime is 396308111. The reversal of 396308105 is 501803693.

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

It can be written as a sum of positive squares in 2 ways, for example, as 268075129 + 128232976 = 16373^2 + 11324^2 .

It is not a de Polignac number, because 396308105 - 2⁶ = 396308041 is a prime.

It is a super-2 number, since 2×396308105² = 314120228177382050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39630806 + ... + 39630815.

It is an arithmetic number, because the mean of its divisors is an integer number (118892433).

Almost surely, 2^396308105 is an apocalyptic number.

It is an amenable number.

396308105 is a deficient number, since it is larger than the sum of its proper divisors (79261627).

396308105 is an equidigital number, since it uses as much as digits as its factorization.

396308105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79261626.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 396308105 is about 19907.4886663286. The cubic root of 396308105 is about 734.5324467125.

The spelling of 396308105 in words is "three hundred ninety-six million, three hundred eight thousand, one hundred five".