3531818928 has 80 divisors (see below), whose sum is σ = 10009180800. Its totient is φ = 1064240640.

The previous prime is 3531818923. The next prime is 3531818957. The reversal of 3531818928 is 8298181353.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (3531818921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75828 + ... + 113196.

It is an arithmetic number, because the mean of its divisors is an integer number (125114760).

Almost surely, 2^3531818928 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 3531818928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5004590400).

3531818928 is an abundant number, since it is smaller than the sum of its proper divisors (6477361872).

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

3531818928 is a wasteful number, since it uses less digits than its factorization.

3531818928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37570 (or 37564 counting only the distinct ones).

The product of its digits is 414720, while the sum is 48.

The square root of 3531818928 is about 59429.1084233980. The cubic root of 3531818928 is about 1522.8816134605.

The spelling of 3531818928 in words is "three billion, five hundred thirty-one million, eight hundred eighteen thousand, nine hundred twenty-eight".