19923324 has 24 divisors (see below), whose sum is σ = 48935040. Its totient is φ = 6291504.

The previous prime is 19923317. The next prime is 19923341. The reversal of 19923324 is 42332991.

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, 43464 + ... + 43919.

It is an arithmetic number, because the mean of its divisors is an integer number (2038960).

Almost surely, 2^19923324 is an apocalyptic number.

It is an amenable number.

19923324 is an abundant number, since it is smaller than the sum of its proper divisors (29011716).

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

19923324 is a wasteful number, since it uses less digits than its factorization.

19923324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87409 (or 87407 counting only the distinct ones).

The product of its digits is 11664, while the sum is 33.

The square root of 19923324 is about 4463.5550853552. Note that the first 3 decimals coincide. The cubic root of 19923324 is about 271.0944329424.

The spelling of 19923324 in words is "nineteen million, nine hundred twenty-three thousand, three hundred twenty-four".