109399416 has 64 divisors (see below), whose sum is σ = 329030400. Its totient is φ = 29611008.

The previous prime is 109399399. The next prime is 109399421. The reversal of 109399416 is 614993901.

It is a super-2 number, since 2×109399416² = 23936464442282112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13945 + ... + 20328.

It is an arithmetic number, because the mean of its divisors is an integer number (5141100).

Almost surely, 2^109399416 is an apocalyptic number.

It is an amenable number.

109399416 is an abundant number, since it is smaller than the sum of its proper divisors (219630984).

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

109399416 is a wasteful number, since it uses less digits than its factorization.

109399416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34308 (or 34304 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 109399416 is about 10459.4175746071. The cubic root of 109399416 is about 478.2683786666.

The spelling of 109399416 in words is "one hundred nine million, three hundred ninety-nine thousand, four hundred sixteen".