1894613328 has 100 divisors (see below), whose sum is σ = 5514870240. Its totient is φ = 627932736.

The previous prime is 1894613327. The next prime is 1894613341. The reversal of 1894613328 is 8233164981.

1894613328 is a `hidden beast` number, since 1 + 8 + 9 + 4 + 613 + 3 + 28 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1894613323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 227901 + ... + 236067.

Almost surely, 2^1894613328 is an apocalyptic number.

1894613328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1894613328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2757435120).

1894613328 is an abundant number, since it is smaller than the sum of its proper divisors (3620256912).

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

1894613328 is a wasteful number, since it uses less digits than its factorization.

1894613328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8366 (or 8351 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 1894613328 is about 43527.1562131045. The cubic root of 1894613328 is about 1237.3907429712.

The spelling of 1894613328 in words is "one billion, eight hundred ninety-four million, six hundred thirteen thousand, three hundred twenty-eight".