3800404720 has 120 divisors (see below), whose sum is σ = 10299546144. Its totient is φ = 1300336128.

The previous prime is 3800404679. The next prime is 3800404733. The reversal of 3800404720 is 274040083.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3476494 + ... + 3477586.

Almost surely, 2^3800404720 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 3800404720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5149773072).

3800404720 is an abundant number, since it is smaller than the sum of its proper divisors (6499141424).

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

3800404720 is a wasteful number, since it uses less digits than its factorization.

3800404720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007 (or 1994 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 3800404720 is about 61647.4226549659. The cubic root of 3800404720 is about 1560.5461489006.

The spelling of 3800404720 in words is "three billion, eight hundred million, four hundred four thousand, seven hundred twenty".