3990313404 has 144 divisors (see below), whose sum is σ = 12687816960. Its totient is φ = 1027192320.

The previous prime is 3990313403. The next prime is 3990313409. The reversal of 3990313404 is 4043130993.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3990313403) 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, 306867 + ... + 319605.

It is an arithmetic number, because the mean of its divisors is an integer number (88109840).

Almost surely, 2^3990313404 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 3990313404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6343908480).

3990313404 is an abundant number, since it is smaller than the sum of its proper divisors (8697503556).

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

3990313404 is a wasteful number, since it uses less digits than its factorization.

3990313404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12880 (or 12875 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 3990313404 is about 63168.9275197862. The cubic root of 3990313404 is about 1586.1186401700.

The spelling of 3990313404 in words is "three billion, nine hundred ninety million, three hundred thirteen thousand, four hundred four".