1893728 has 48 divisors (see below), whose sum is σ = 4064256. Its totient is φ = 865920.

The previous prime is 1893719. The next prime is 1893733. The reversal of 1893728 is 8273981.

It is a junction number, because it is equal to n+sod(n) for n = 1893691 and 1893700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22775 + ... + 22857.

It is an arithmetic number, because the mean of its divisors is an integer number (84672).

2^1893728 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 1893728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2032128).

1893728 is an abundant number, since it is smaller than the sum of its proper divisors (2170528).

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

1893728 is a wasteful number, since it uses less digits than its factorization.

1893728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 139 counting only the distinct ones).

The product of its digits is 24192, while the sum is 38.

The square root of 1893728 is about 1376.1279010325. The cubic root of 1893728 is about 123.7197974111.

The spelling of 1893728 in words is "one million, eight hundred ninety-three thousand, seven hundred twenty-eight".