19394084 has 12 divisors (see below), whose sum is σ = 33970608. Its totient is φ = 9688200.

The previous prime is 19394051. The next prime is 19394099. The reversal of 19394084 is 48049391.

It is a super-2 number, since 2×19394084² = 752260988398112, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6839 + ... + 9249.

It is an arithmetic number, because the mean of its divisors is an integer number (2830884).

Almost surely, 2^19394084 is an apocalyptic number.

It is an amenable number.

19394084 is a deficient number, since it is larger than the sum of its proper divisors (14576524).

19394084 is a wasteful number, since it uses less digits than its factorization.

19394084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426 (or 4424 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 19394084 is about 4403.8714785970. The cubic root of 19394084 is about 268.6724222452.

The spelling of 19394084 in words is "nineteen million, three hundred ninety-four thousand, eighty-four".