19141428 has 48 divisors (see below), whose sum is σ = 46964736. Its totient is φ = 6056160.

The previous prime is 19141393. The next prime is 19141457. The reversal of 19141428 is 82414191.

It is a junction number, because it is equal to n+sod(n) for n = 19141395 and 19141404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61393 + ... + 61703.

It is an arithmetic number, because the mean of its divisors is an integer number (978432).

Almost surely, 2^19141428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19141428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23482368).

19141428 is an abundant number, since it is smaller than the sum of its proper divisors (27823308).

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

19141428 is a wasteful number, since it uses less digits than its factorization.

19141428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 562 counting only the distinct ones).

The product of its digits is 2304, while the sum is 30.

The square root of 19141428 is about 4375.0917704661. The cubic root of 19141428 is about 267.5006108234.

The spelling of 19141428 in words is "nineteen million, one hundred forty-one thousand, four hundred twenty-eight".