19009094 has 32 divisors (see below), whose sum is σ = 33657120. Its totient is φ = 7967232.

The previous prime is 19009079. The next prime is 19009097. The reversal of 19009094 is 49090091.

It is a super-2 number, since 2×19009094² = 722691309401672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19009094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19009097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12077 + ... + 13559.

It is an arithmetic number, because the mean of its divisors is an integer number (1051785).

Almost surely, 2^19009094 is an apocalyptic number.

19009094 is a deficient number, since it is larger than the sum of its proper divisors (14648026).

19009094 is a wasteful number, since it uses less digits than its factorization.

19009094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 19009094 is about 4359.9419720909. The cubic root of 19009094 is about 266.8827307916.

The spelling of 19009094 in words is "nineteen million, nine thousand, ninety-four".