105656379 has 8 divisors (see below), whose sum is σ = 140923200. Its totient is φ = 70413576.

The previous prime is 105656363. The next prime is 105656381. The reversal of 105656379 is 973656501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105656379 - 2⁴ = 105656363 is a prime.

It is a super-2 number, since 2×105656379² = 22326540846783282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105656379.

It is not an unprimeable number, because it can be changed into a prime (105656279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11844 + ... + 18750.

It is an arithmetic number, because the mean of its divisors is an integer number (17615400).

Almost surely, 2^105656379 is an apocalyptic number.

105656379 is a deficient number, since it is larger than the sum of its proper divisors (35266821).

105656379 is an equidigital number, since it uses as much as digits as its factorization.

105656379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12009.

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 105656379 is about 10278.9288838867. The cubic root of 105656379 is about 472.7504028141.

The spelling of 105656379 in words is "one hundred five million, six hundred fifty-six thousand, three hundred seventy-nine".