19434494 has 16 divisors (see below), whose sum is σ = 30551040. Its totient is φ = 9254520.

The previous prime is 19434487. The next prime is 19434523. The reversal of 19434494 is 49443491.

It is a happy number.

It is a congruent number.

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, 11687 + ... + 13245.

It is an arithmetic number, because the mean of its divisors is an integer number (1909440).

Almost surely, 2^19434494 is an apocalyptic number.

19434494 is a deficient number, since it is larger than the sum of its proper divisors (11116546).

19434494 is a wasteful number, since it uses less digits than its factorization.

19434494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855.

The product of its digits is 62208, while the sum is 38.

The square root of 19434494 is about 4408.4570997119. The cubic root of 19434494 is about 268.8588969905.

The spelling of 19434494 in words is "nineteen million, four hundred thirty-four thousand, four hundred ninety-four".