109434897 has 48 divisors (see below), whose sum is σ = 193834368. Its totient is φ = 58544640.

The previous prime is 109434887. The next prime is 109434901. The reversal of 109434897 is 798434901.

It is not a de Polignac number, because 109434897 - 2⁴ = 109434881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109434817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27753 + ... + 31449.

It is an arithmetic number, because the mean of its divisors is an integer number (4038216).

Almost surely, 2^109434897 is an apocalyptic number.

It is an amenable number.

109434897 is a deficient number, since it is larger than the sum of its proper divisors (84399471).

109434897 is a wasteful number, since it uses less digits than its factorization.

109434897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3750 (or 3747 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 109434897 is about 10461.1135640523. The cubic root of 109434897 is about 478.3200779253.

The spelling of 109434897 in words is "one hundred nine million, four hundred thirty-four thousand, eight hundred ninety-seven".