3913750404 has 72 divisors (see below), whose sum is σ = 10578918168. Its totient is φ = 1215667200.

The previous prime is 3913750339. The next prime is 3913750409. The reversal of 3913750404 is 4040573193.

It can be written as a sum of positive squares in 4 ways, for example, as 1130976900 + 2782773504 = 33630^2 + 52752^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3913750409) 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, 30154 + ... + 93470.

It is an arithmetic number, because the mean of its divisors is an integer number (146929419).

Almost surely, 2^3913750404 is an apocalyptic number.

3913750404 is a gapful number since it is divisible by the number (34) 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 3913750404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5289459084).

3913750404 is an abundant number, since it is smaller than the sum of its proper divisors (6665167764).

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

3913750404 is a wasteful number, since it uses less digits than its factorization.

3913750404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63445 (or 63440 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 3913750404 is about 62559.9744565165. The cubic root of 3913750404 is about 1575.9086590409.

The spelling of 3913750404 in words is "three billion, nine hundred thirteen million, seven hundred fifty thousand, four hundred four".