3504228756 has 96 divisors (see below), whose sum is σ = 9977899008. Its totient is φ = 935383680.

The previous prime is 3504228743. The next prime is 3504228757. The reversal of 3504228756 is 6578224053.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3504228757) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61986 + ... + 104166.

It is an arithmetic number, because the mean of its divisors is an integer number (103936448).

Almost surely, 2^3504228756 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 3504228756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4988949504).

3504228756 is an abundant number, since it is smaller than the sum of its proper divisors (6473670252).

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

3504228756 is a wasteful number, since it uses less digits than its factorization.

3504228756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42261 (or 42259 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The square root of 3504228756 is about 59196.5265535065. The cubic root of 3504228756 is about 1518.9057157349.

The spelling of 3504228756 in words is "three billion, five hundred four million, two hundred twenty-eight thousand, seven hundred fifty-six".