109404424 has 16 divisors (see below), whose sum is σ = 205365420. Its totient is φ = 54640320.

The previous prime is 109404419. The next prime is 109404431. The reversal of 109404424 is 424404901.

It can be written as a sum of positive squares in 2 ways, for example, as 108368100 + 1036324 = 10410^2 + 1018^2 .

It is a junction number, because it is equal to n+sod(n) for n = 109404392 and 109404401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262 + ... + 14794.

Almost surely, 2^109404424 is an apocalyptic number.

It is an amenable number.

109404424 is a deficient number, since it is larger than the sum of its proper divisors (95960996).

109404424 is a wasteful number, since it uses less digits than its factorization.

109404424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15480 (or 15476 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 109404424 is about 10459.6569733429. The cubic root of 109404424 is about 478.2756764859.

The spelling of 109404424 in words is "one hundred nine million, four hundred four thousand, four hundred twenty-four".