19404112 has 40 divisors (see below), whose sum is σ = 46274816. Its totient is φ = 7675776.

The previous prime is 19404107. The next prime is 19404131. The reversal of 19404112 is 21140491.

It is a congruent number.

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, 5208 + ... + 8119.

Almost surely, 2^19404112 is an apocalyptic number.

It is an amenable number.

19404112 is an abundant number, since it is smaller than the sum of its proper divisors (26870704).

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

19404112 is a wasteful number, since it uses less digits than its factorization.

19404112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13355 (or 13349 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 19404112 is about 4405.0098751308. The cubic root of 19404112 is about 268.7187212921.

The spelling of 19404112 in words is "nineteen million, four hundred four thousand, one hundred twelve".