19038994 has 16 divisors (see below), whose sum is σ = 30844800. Its totient is φ = 8761680.

The previous prime is 19038983. The next prime is 19039001. The reversal of 19038994 is 49983091.

It is a self number, because there is not a number n which added to its sum of digits gives 19038994.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10357 + ... + 12055.

It is an arithmetic number, because the mean of its divisors is an integer number (1927800).

Almost surely, 2^19038994 is an apocalyptic number.

19038994 is a deficient number, since it is larger than the sum of its proper divisors (11805806).

19038994 is a wasteful number, since it uses less digits than its factorization.

19038994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 19038994 is about 4363.3695694956. The cubic root of 19038994 is about 267.0225868944.

The spelling of 19038994 in words is "nineteen million, thirty-eight thousand, nine hundred ninety-four".