19018094 has 8 divisors (see below), whose sum is σ = 28590408. Its totient is φ = 9487960.

The previous prime is 19018093. The next prime is 19018099. The reversal of 19018094 is 49081091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 19018094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19018093) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 9392 + ... + 11235.

It is an arithmetic number, because the mean of its divisors is an integer number (3573801).

Almost surely, 2^19018094 is an apocalyptic number.

19018094 is a deficient number, since it is larger than the sum of its proper divisors (9572314).

19018094 is a wasteful number, since it uses less digits than its factorization.

19018094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21090.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 19018094 is about 4360.9739737815. The cubic root of 19018094 is about 266.9248433651.

The spelling of 19018094 in words is "nineteen million, eighteen thousand, ninety-four".