3800894640 has 160 divisors (see below), whose sum is σ = 11955038400. Its totient is φ = 998879232.

The previous prime is 3800894633. The next prime is 3800894651. The reversal of 3800894640 is 464980083.

It is a junction number, because it is equal to n+sod(n) for n = 3800894592 and 3800894601.

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 31 ways as a sum of consecutive naturals, for example, 5613982 + ... + 5614658.

It is an arithmetic number, because the mean of its divisors is an integer number (74718990).

Almost surely, 2^3800894640 is an apocalyptic number.

3800894640 is a gapful number since it is divisible by the number (30) 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 3800894640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5977519200).

3800894640 is an abundant number, since it is smaller than the sum of its proper divisors (8154143760).

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

3800894640 is a wasteful number, since it uses less digits than its factorization.

3800894640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 3800894640 is about 61651.3960912484. The cubic root of 3800894640 is about 1560.6132040324.

The spelling of 3800894640 in words is "three billion, eight hundred million, eight hundred ninety-four thousand, six hundred forty".