109398444 has 24 divisors (see below), whose sum is σ = 258133680. Its totient is φ = 36056064.

The previous prime is 109398431. The next prime is 109398481. The reversal of 109398444 is 444893901.

It is a super-2 number, since 2×109398444² = 23936039099242272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 109398396 and 109398405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50149 + ... + 52284.

It is an arithmetic number, because the mean of its divisors is an integer number (10755570).

Almost surely, 2^109398444 is an apocalyptic number.

It is an amenable number.

109398444 is an abundant number, since it is smaller than the sum of its proper divisors (148735236).

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

109398444 is a wasteful number, since it uses less digits than its factorization.

109398444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102529 (or 102527 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 109398444 is about 10459.3711092015. The cubic root of 109398444 is about 478.2669622110.

The spelling of 109398444 in words is "one hundred nine million, three hundred ninety-eight thousand, four hundred forty-four".