19424112 has 40 divisors (see below), whose sum is σ = 51539856. Its totient is φ = 6299136.

The previous prime is 19424107. The next prime is 19424117. The reversal of 19424112 is 21142491.

It is an interprime number because it is at equal distance from previous prime (19424107) and next prime (19424117).

It is a super-2 number, since 2×19424112² = 754592253977088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19424117) 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, 3693 + ... + 7244.

Almost surely, 2^19424112 is an apocalyptic number.

19424112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19424112 is an abundant number, since it is smaller than the sum of its proper divisors (32115744).

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

19424112 is a wasteful number, since it uses less digits than its factorization.

19424112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10985 (or 10979 counting only the distinct ones).

The product of its digits is 576, while the sum is 24.

The square root of 19424112 is about 4407.2794329382. The cubic root of 19424112 is about 268.8110132251.

The spelling of 19424112 in words is "nineteen million, four hundred twenty-four thousand, one hundred twelve".