1894988704 has 48 divisors (see below), whose sum is σ = 4285467648. Its totient is φ = 807996672.

The previous prime is 1894988681. The next prime is 1894988743. The reversal of 1894988704 is 4078894981.

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, 22657 + ... + 65599.

It is an arithmetic number, because the mean of its divisors is an integer number (89280576).

Almost surely, 2^1894988704 is an apocalyptic number.

1894988704 is a gapful number since it is divisible by the number (14) 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 1894988704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2142733824).

1894988704 is an abundant number, since it is smaller than the sum of its proper divisors (2390478944).

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

1894988704 is a wasteful number, since it uses less digits than its factorization.

1894988704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43157 (or 43149 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 58.

The square root of 1894988704 is about 43531.4679743286. The cubic root of 1894988704 is about 1237.4724581702.

The spelling of 1894988704 in words is "one billion, eight hundred ninety-four million, nine hundred eighty-eight thousand, seven hundred four".