19241428 has 12 divisors (see below), whose sum is σ = 33822432. Its totient is φ = 9577880.

The previous prime is 19241419. The next prime is 19241429. The reversal of 19241428 is 82414291.

It is a self number, because there is not a number n which added to its sum of digits gives 19241428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19241429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9688 + ... + 11503.

It is an arithmetic number, because the mean of its divisors is an integer number (2818536).

Almost surely, 2^19241428 is an apocalyptic number.

It is an amenable number.

19241428 is a deficient number, since it is larger than the sum of its proper divisors (14581004).

19241428 is a wasteful number, since it uses less digits than its factorization.

19241428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21422 (or 21420 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 19241428 is about 4386.5052148607. The cubic root of 19241428 is about 267.9656338201.

It can be divided in two parts, 1924 and 1428, that multiplied together give a palindrome (2747472).

The spelling of 19241428 in words is "nineteen million, two hundred forty-one thousand, four hundred twenty-eight".