3823280840 has 96 divisors (see below), whose sum is σ = 9008496000. Its totient is φ = 1460085120.

The previous prime is 3823280717. The next prime is 3823280843. The reversal of 3823280840 is 480823283.

It is a super-2 number, since 2×3823280840² = 29234952763022211200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3823280794 and 3823280803.

It is not an unprimeable number, because it can be changed into a prime (3823280843) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3036131 + ... + 3037389.

It is an arithmetic number, because the mean of its divisors is an integer number (93838500).

Almost surely, 2^3823280840 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 3823280840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4504248000).

3823280840 is an abundant number, since it is smaller than the sum of its proper divisors (5185215160).

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

3823280840 is a wasteful number, since it uses less digits than its factorization.

3823280840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411 (or 1376 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 3823280840 is about 61832.6842373837. The cubic root of 3823280840 is about 1563.6710661087.

The spelling of 3823280840 in words is "three billion, eight hundred twenty-three million, two hundred eighty thousand, eight hundred forty".