19240372 has 12 divisors (see below), whose sum is σ = 34241760. Its totient is φ = 9457016.

The previous prime is 19240349. The next prime is 19240387. The reversal of 19240372 is 27304291.

It is a self number, because there is not a number n which added to its sum of digits gives 19240372.

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, 40528 + ... + 40999.

It is an arithmetic number, because the mean of its divisors is an integer number (2853480).

Almost surely, 2^19240372 is an apocalyptic number.

It is an amenable number.

19240372 is a deficient number, since it is larger than the sum of its proper divisors (15001388).

19240372 is a wasteful number, since it uses less digits than its factorization.

19240372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81590 (or 81588 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 19240372 is about 4386.3848440373. The cubic root of 19240372 is about 267.9607316045.

The spelling of 19240372 in words is "nineteen million, two hundred forty thousand, three hundred seventy-two".