19097914 has 24 divisors (see below), whose sum is σ = 32103540. Its totient is φ = 8511360.

The previous prime is 19097909. The next prime is 19097959. The reversal of 19097914 is 41979091.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19070689 + 27225 = 4367^2 + 165^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12082 + ... + 13570.

Almost surely, 2^19097914 is an apocalyptic number.

19097914 is a deficient number, since it is larger than the sum of its proper divisors (13005626).

19097914 is a wasteful number, since it uses less digits than its factorization.

19097914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566 (or 1555 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 19097914 is about 4370.1160167666. The cubic root of 19097914 is about 267.2977549530.

The spelling of 19097914 in words is "nineteen million, ninety-seven thousand, nine hundred fourteen".