19216396 has 12 divisors (see below), whose sum is σ = 33836152. Its totient is φ = 9548928.

The previous prime is 19216367. The next prime is 19216397. The reversal of 19216396 is 69361291.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (19216397) 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, 14085 + ... + 15388.

Almost surely, 2^19216396 is an apocalyptic number.

It is an amenable number.

19216396 is a deficient number, since it is larger than the sum of its proper divisors (14619756).

19216396 is a wasteful number, since it uses less digits than its factorization.

19216396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29640 (or 29638 counting only the distinct ones).

The product of its digits is 17496, while the sum is 37.

The square root of 19216396 is about 4383.6509897573. The cubic root of 19216396 is about 267.8493807258.

The spelling of 19216396 in words is "nineteen million, two hundred sixteen thousand, three hundred ninety-six".