109949916 has 12 divisors (see below), whose sum is σ = 256549832. Its totient is φ = 36649968.

The previous prime is 109949911. The next prime is 109949929. The reversal of 109949916 is 619949901.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109949911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4581235 + ... + 4581258.

Almost surely, 2^109949916 is an apocalyptic number.

It is an amenable number.

109949916 is an abundant number, since it is smaller than the sum of its proper divisors (146599916).

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

109949916 is a wasteful number, since it uses less digits than its factorization.

109949916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9162500 (or 9162498 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 48.

The square root of 109949916 is about 10485.7005488427. The cubic root of 109949916 is about 479.0692554329.

It can be divided in two parts, 10994 and 9916, that added together give a triangular number (20910 = T₂₀₄).

The spelling of 109949916 in words is "one hundred nine million, nine hundred forty-nine thousand, nine hundred sixteen".