105279393 has 16 divisors (see below), whose sum is σ = 144559296. Its totient is φ = 68103360.

The previous prime is 105279373. The next prime is 105279397. The reversal of 105279393 is 393972501.

It is not a de Polignac number, because 105279393 - 2⁹ = 105278881 is a prime.

It is a super-2 number, since 2×105279393² = 22167501180896898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105279397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48103 + ... + 50243.

It is an arithmetic number, because the mean of its divisors is an integer number (9034956).

Almost surely, 2^105279393 is an apocalyptic number.

It is an amenable number.

105279393 is a deficient number, since it is larger than the sum of its proper divisors (39279903).

105279393 is a wasteful number, since it uses less digits than its factorization.

105279393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624.

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 105279393 is about 10260.5746915073. The cubic root of 105279393 is about 472.1874689216.

The spelling of 105279393 in words is "one hundred five million, two hundred seventy-nine thousand, three hundred ninety-three".