19089796 has 12 divisors (see below), whose sum is σ = 36444240. Its totient is φ = 8677160.

The previous prime is 19089781. The next prime is 19089799. The reversal of 19089796 is 69798091.

It is a super-2 number, since 2×19089796² = 728840622643232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19089799) 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, 216886 + ... + 216973.

It is an arithmetic number, because the mean of its divisors is an integer number (3037020).

Almost surely, 2^19089796 is an apocalyptic number.

It is an amenable number.

19089796 is a deficient number, since it is larger than the sum of its proper divisors (17354444).

19089796 is a wasteful number, since it uses less digits than its factorization.

19089796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433874 (or 433872 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 49.

The square root of 19089796 is about 4369.1871097494. The cubic root of 19089796 is about 267.2598759346.

The spelling of 19089796 in words is "nineteen million, eighty-nine thousand, seven hundred ninety-six".