109298397 has 16 divisors (see below), whose sum is σ = 159517568. Its totient is φ = 66156480.

The previous prime is 109298377. The next prime is 109298401. The reversal of 109298397 is 793892901.

It is not a de Polignac number, because 109298397 - 2¹⁸ = 109036253 is a prime.

It is a super-2 number, since 2×109298397² = 23892279173539218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109298377) 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, 20593 + ... + 25350.

It is an arithmetic number, because the mean of its divisors is an integer number (9969848).

Almost surely, 2^109298397 is an apocalyptic number.

It is an amenable number.

109298397 is a deficient number, since it is larger than the sum of its proper divisors (50219171).

109298397 is a wasteful number, since it uses less digits than its factorization.

109298397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46020.

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 109298397 is about 10454.5873663192. The cubic root of 109298397 is about 478.1211229384.

The spelling of 109298397 in words is "one hundred nine million, two hundred ninety-eight thousand, three hundred ninety-seven".