1896994080 has 288 divisors, whose sum is σ = 6795944064. Its totient is φ = 499654656.

The previous prime is 1896994051. The next prime is 1896994087. The reversal of 1896994080 is 804996981.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1896994087) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3771109 + ... + 3771611.

It is an arithmetic number, because the mean of its divisors is an integer number (23597028).

Almost surely, 2^1896994080 is an apocalyptic number.

1896994080 is a gapful number since it is divisible by the number (10) 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 1896994080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3397972032).

1896994080 is an abundant number, since it is smaller than the sum of its proper divisors (4898949984).

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

1896994080 is an equidigital number, since it uses as much as digits as its factorization.

1896994080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The square root of 1896994080 is about 43554.4955199805. The cubic root of 1896994080 is about 1237.9088236028.

The spelling of 1896994080 in words is "one billion, eight hundred ninety-six million, nine hundred ninety-four thousand, eighty".