19026872 has 8 divisors (see below), whose sum is σ = 35675400. Its totient is φ = 9513432.

The previous prime is 19026863. The next prime is 19026883. The reversal of 19026872 is 27862091.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1189172 + ... + 1189187.

It is an arithmetic number, because the mean of its divisors is an integer number (4459425).

Almost surely, 2^19026872 is an apocalyptic number.

It is an amenable number.

19026872 is a deficient number, since it is larger than the sum of its proper divisors (16648528).

19026872 is a wasteful number, since it uses less digits than its factorization.

19026872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378365 (or 2378361 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 19026872 is about 4361.9802842287. The cubic root of 19026872 is about 266.9659043652.

The spelling of 19026872 in words is "nineteen million, twenty-six thousand, eight hundred seventy-two".