105399969 has 8 divisors (see below), whose sum is σ = 145066752. Its totient is φ = 67999920.

The previous prime is 105399953. The next prime is 105399977. The reversal of 105399969 is 969993501.

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

It is not a de Polignac number, because 105399969 - 2⁴ = 105399953 is a prime.

It is a super-2 number, since 2×105399969² = 22218306930401922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105399919) 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, 566574 + ... + 566759.

It is an arithmetic number, because the mean of its divisors is an integer number (18133344).

Almost surely, 2^105399969 is an apocalyptic number.

It is an amenable number.

105399969 is a deficient number, since it is larger than the sum of its proper divisors (39666783).

105399969 is a wasteful number, since it uses less digits than its factorization.

105399969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133367.

The product of its (nonzero) digits is 590490, while the sum is 51.

The square root of 105399969 is about 10266.4487043963. The cubic root of 105399969 is about 472.3676648518.

The spelling of 105399969 in words is "one hundred five million, three hundred ninety-nine thousand, nine hundred sixty-nine".