19924534 has 8 divisors (see below), whose sum is σ = 34156368. Its totient is φ = 8539080.

The previous prime is 19924469. The next prime is 19924543. The reversal of 19924534 is 43542991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 19924493 and 19924502.

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, 711577 + ... + 711604.

It is an arithmetic number, because the mean of its divisors is an integer number (4269546).

Almost surely, 2^19924534 is an apocalyptic number.

19924534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19924534 is a deficient number, since it is larger than the sum of its proper divisors (14231834).

19924534 is a wasteful number, since it uses less digits than its factorization.

19924534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423190.

The product of its digits is 38880, while the sum is 37.

The square root of 19924534 is about 4463.6906254802. The cubic root of 19924534 is about 271.0999209427.

The spelling of 19924534 in words is "nineteen million, nine hundred twenty-four thousand, five hundred thirty-four".