100992309 has 8 divisors (see below), whose sum is σ = 146897952. Its totient is φ = 61207440.

The previous prime is 100992293. The next prime is 100992313. The reversal of 100992309 is 903299001.

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

It is not a de Polignac number, because 100992309 - 2⁴ = 100992293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 3060373 = 100992309 / (1 + 0 + 0 + 9 + 9 + 2 + 3 + 0 + 9).

It is a self number, because there is not a number n which added to its sum of digits gives 100992309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100992319) 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, 1530154 + ... + 1530219.

It is an arithmetic number, because the mean of its divisors is an integer number (18362244).

Almost surely, 2^100992309 is an apocalyptic number.

It is an amenable number.

100992309 is a deficient number, since it is larger than the sum of its proper divisors (45905643).

100992309 is a wasteful number, since it uses less digits than its factorization.

100992309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060387.

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 100992309 is about 10049.4929722847. The cubic root of 100992309 is about 465.6891296684.

The spelling of 100992309 in words is "one hundred million, nine hundred ninety-two thousand, three hundred nine".