109398612 has 24 divisors (see below), whose sum is σ = 255621856. Its totient is φ = 36415008.

The previous prime is 109398593. The next prime is 109398617. The reversal of 109398612 is 216893901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109398617) 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 7 ways as a sum of consecutive naturals, for example, 3063 + ... + 15105.

Almost surely, 2^109398612 is an apocalyptic number.

109398612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109398612 is an abundant number, since it is smaller than the sum of its proper divisors (146223244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109398612 is a wasteful number, since it uses less digits than its factorization.

109398612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12807 (or 12805 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 109398612 is about 10459.3791402741. The cubic root of 109398612 is about 478.2672070311.

The spelling of 109398612 in words is "one hundred nine million, three hundred ninety-eight thousand, six hundred twelve".