19438652 has 12 divisors (see below), whose sum is σ = 34065360. Its totient is φ = 9705696.

The previous prime is 19438619. The next prime is 19438663. The reversal of 19438652 is 25683491.

It is a happy number.

It is a super-2 number, since 2×19438652² = 755722383154208, 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 in 3 ways as a sum of consecutive naturals, for example, 233 + ... + 6239.

It is an arithmetic number, because the mean of its divisors is an integer number (2838780).

Almost surely, 2^19438652 is an apocalyptic number.

It is an amenable number.

19438652 is a deficient number, since it is larger than the sum of its proper divisors (14626708).

19438652 is a wasteful number, since it uses less digits than its factorization.

19438652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6820 (or 6818 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 19438652 is about 4408.9286680553. The cubic root of 19438652 is about 268.8780696975.

The spelling of 19438652 in words is "nineteen million, four hundred thirty-eight thousand, six hundred fifty-two".