19734396 has 24 divisors (see below), whose sum is σ = 50233344. Its totient is φ = 5980080.

The previous prime is 19734389. The next prime is 19734397. The reversal of 19734396 is 69343791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19734397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74620 + ... + 74883.

It is an arithmetic number, because the mean of its divisors is an integer number (2093056).

Almost surely, 2^19734396 is an apocalyptic number.

It is an amenable number.

19734396 is an abundant number, since it is smaller than the sum of its proper divisors (30498948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19734396 is a wasteful number, since it uses less digits than its factorization.

19734396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149521 (or 149519 counting only the distinct ones).

The product of its digits is 122472, while the sum is 42.

The square root of 19734396 is about 4442.3412745983. The cubic root of 19734396 is about 270.2348026059.

The spelling of 19734396 in words is "nineteen million, seven hundred thirty-four thousand, three hundred ninety-six".