109404897 has 12 divisors (see below), whose sum is σ = 169689456. Its totient is φ = 62517000.

The previous prime is 109404887. The next prime is 109404901. The reversal of 109404897 is 798404901.

It is not a de Polignac number, because 109404897 - 2¹² = 109400801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109404847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 371979 + ... + 372272.

It is an arithmetic number, because the mean of its divisors is an integer number (14140788).

Almost surely, 2^109404897 is an apocalyptic number.

It is an amenable number.

109404897 is a deficient number, since it is larger than the sum of its proper divisors (60284559).

109404897 is an equidigital number, since it uses as much as digits as its factorization.

109404897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744268 (or 744261 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 109404897 is about 10459.6795840026. The cubic root of 109404897 is about 478.2763657452.

The spelling of 109404897 in words is "one hundred nine million, four hundred four thousand, eight hundred ninety-seven".