19131896 has 16 divisors (see below), whose sum is σ = 40997040. Its totient is φ = 8199360.

The previous prime is 19131877. The next prime is 19131899. The reversal of 19131896 is 69813191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19131899) 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, 170765 + ... + 170876.

It is an arithmetic number, because the mean of its divisors is an integer number (2562315).

Almost surely, 2^19131896 is an apocalyptic number.

It is an amenable number.

19131896 is an abundant number, since it is smaller than the sum of its proper divisors (21865144).

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

19131896 is a wasteful number, since it uses less digits than its factorization.

19131896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341654 (or 341650 counting only the distinct ones).

The product of its digits is 11664, while the sum is 38.

The square root of 19131896 is about 4374.0022862363. The cubic root of 19131896 is about 267.4562003578.

The spelling of 19131896 in words is "nineteen million, one hundred thirty-one thousand, eight hundred ninety-six".