19297468 has 12 divisors (see below), whose sum is σ = 33809832. Its totient is φ = 9637520.

The previous prime is 19297457. The next prime is 19297489. The reversal of 19297468 is 86479291.

It is a super-2 number, since 2×19297468² = 744784542422048, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1971 + ... + 6517.

It is an arithmetic number, because the mean of its divisors is an integer number (2817486).

Almost surely, 2^19297468 is an apocalyptic number.

It is an amenable number.

19297468 is a deficient number, since it is larger than the sum of its proper divisors (14512364).

19297468 is a wasteful number, since it uses less digits than its factorization.

19297468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5612 (or 5610 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 19297468 is about 4392.8883436755. Note that the first 3 decimals coincide. The cubic root of 19297468 is about 268.2255285817.

The spelling of 19297468 in words is "nineteen million, two hundred ninety-seven thousand, four hundred sixty-eight".