19094961 has 16 divisors (see below), whose sum is σ = 27134784. Its totient is φ = 11902464.

The previous prime is 19094917. The next prime is 19094969. The reversal of 19094961 is 16949091.

It is a de Polignac number, because none of the positive numbers 2^k-19094961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19094969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7165 + ... + 9461.

It is an arithmetic number, because the mean of its divisors is an integer number (1695924).

Almost surely, 2^19094961 is an apocalyptic number.

It is an amenable number.

19094961 is a deficient number, since it is larger than the sum of its proper divisors (8039823).

19094961 is a wasteful number, since it uses less digits than its factorization.

19094961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 19094961 is about 4369.7781408213. The cubic root of 19094961 is about 267.2839773408.

The spelling of 19094961 in words is "nineteen million, ninety-four thousand, nine hundred sixty-one".