109506397 has 16 divisors (see below), whose sum is σ = 147030912. Its totient is φ = 78765120.

The previous prime is 109506391. The next prime is 109506413. The reversal of 109506397 is 793605901.

It is not a de Polignac number, because 109506397 - 2¹⁹ = 108982109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109506391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53698 + ... + 55699.

It is an arithmetic number, because the mean of its divisors is an integer number (9189432).

Almost surely, 2^109506397 is an apocalyptic number.

It is an amenable number.

109506397 is a deficient number, since it is larger than the sum of its proper divisors (37524515).

109506397 is a wasteful number, since it uses less digits than its factorization.

109506397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109428.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 109506397 is about 10464.5304242474. The cubic root of 109506397 is about 478.4242264221.

The spelling of 109506397 in words is "one hundred nine million, five hundred six thousand, three hundred ninety-seven".