1894791392 has 48 divisors (see below), whose sum is σ = 4023225360. Its totient is φ = 873234432.

The previous prime is 1894791341. The next prime is 1894791407. The reversal of 1894791392 is 2931974981.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 316943 + ... + 322865.

It is an arithmetic number, because the mean of its divisors is an integer number (83817195).

Almost surely, 2^1894791392 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 1894791392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2011612680).

1894791392 is an abundant number, since it is smaller than the sum of its proper divisors (2128433968).

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

1894791392 is a wasteful number, since it uses less digits than its factorization.

1894791392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6715 (or 6707 counting only the distinct ones).

The product of its digits is 979776, while the sum is 53.

The square root of 1894791392 is about 43529.2016007645. The cubic root of 1894791392 is about 1237.4295068779.

The spelling of 1894791392 in words is "one billion, eight hundred ninety-four million, seven hundred ninety-one thousand, three hundred ninety-two".