19424412 has 36 divisors (see below), whose sum is σ = 56115696. Its totient is φ = 5549760.

The previous prime is 19424411. The next prime is 19424423. The reversal of 19424412 is 21442491.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19424411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38289 + ... + 38792.

Almost surely, 2^19424412 is an apocalyptic number.

19424412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19424412 is an abundant number, since it is smaller than the sum of its proper divisors (36691284).

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

19424412 is a wasteful number, since it uses less digits than its factorization.

19424412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77098 (or 77093 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 19424412 is about 4407.3134674085. The cubic root of 19424412 is about 268.8123971217.

The spelling of 19424412 in words is "nineteen million, four hundred twenty-four thousand, four hundred twelve".