19427024 has 10 divisors (see below), whose sum is σ = 37639890. Its totient is φ = 9713504.

The previous prime is 19426999. The next prime is 19427041. The reversal of 19427024 is 42072491.

It can be written as a sum of positive squares in only one way, i.e., 18490000 + 937024 = 4300^2 + 968^2 .

It is a super-2 number, since 2×19427024² = 754818522993152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607079 + ... + 607110.

It is an arithmetic number, because the mean of its divisors is an integer number (3763989).

Almost surely, 2^19427024 is an apocalyptic number.

It is an amenable number.

19427024 is a deficient number, since it is larger than the sum of its proper divisors (18212866).

19427024 is a wasteful number, since it uses less digits than its factorization.

19427024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214197 (or 1214191 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 19427024 is about 4407.6097830911. The cubic root of 19427024 is about 268.8244456462.

The spelling of 19427024 in words is "nineteen million, four hundred twenty-seven thousand, twenty-four".