19089696 has 24 divisors (see below), whose sum is σ = 50110704. Its totient is φ = 6363200.

The previous prime is 19089677. The next prime is 19089709. The reversal of 19089696 is 69698091.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99330 + ... + 99521.

It is an arithmetic number, because the mean of its divisors is an integer number (2087946).

Almost surely, 2^19089696 is an apocalyptic number.

19089696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19089696 is an abundant number, since it is smaller than the sum of its proper divisors (31021008).

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

19089696 is a wasteful number, since it uses less digits than its factorization.

19089696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198864 (or 198856 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 48.

The square root of 19089696 is about 4369.1756659581. The cubic root of 19089696 is about 267.2594092624.

The spelling of 19089696 in words is "nineteen million, eighty-nine thousand, six hundred ninety-six".