19434364 has 12 divisors (see below), whose sum is σ = 34587000. Its totient is φ = 9552368.

The previous prime is 19434353. The next prime is 19434391. The reversal of 19434364 is 46343491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40939 + ... + 41410.

It is an arithmetic number, because the mean of its divisors is an integer number (2882250).

Almost surely, 2^19434364 is an apocalyptic number.

It is an amenable number.

19434364 is a deficient number, since it is larger than the sum of its proper divisors (15152636).

19434364 is a wasteful number, since it uses less digits than its factorization.

19434364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82412 (or 82410 counting only the distinct ones).

The product of its digits is 31104, while the sum is 34.

The square root of 19434364 is about 4408.4423552997. The cubic root of 19434364 is about 268.8582975111.

The spelling of 19434364 in words is "nineteen million, four hundred thirty-four thousand, three hundred sixty-four".