612828188 has 48 divisors (see below), whose sum is σ = 1282647744. Its totient is φ = 250698240.

The previous prime is 612828179. The next prime is 612828199. The reversal of 612828188 is 881828216.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49328 + ... + 60488.

It is an arithmetic number, because the mean of its divisors is an integer number (26721828).

Almost surely, 2^612828188 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 612828188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (641323872).

612828188 is an abundant number, since it is smaller than the sum of its proper divisors (669819556).

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

612828188 is a wasteful number, since it uses less digits than its factorization.

612828188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11262 (or 11260 counting only the distinct ones).

The product of its digits is 98304, while the sum is 44.

The square root of 612828188 is about 24755.3668524625. The cubic root of 612828188 is about 849.4012798740.

The spelling of 612828188 in words is "six hundred twelve million, eight hundred twenty-eight thousand, one hundred eighty-eight".