1107839628 has 108 divisors (see below), whose sum is σ = 3265942680. Its totient is φ = 315713664.

The previous prime is 1107839627. The next prime is 1107839633. The reversal of 1107839628 is 8269387011.

1107839628 is a `hidden beast` number, since 1 + 10 + 7 + 8 + 3 + 9 + 628 = 666.

It is not an unprimeable number, because it can be changed into a prime (1107839627) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1162000 + ... + 1162952.

It is an arithmetic number, because the mean of its divisors is an integer number (30240210).

Almost surely, 2^1107839628 is an apocalyptic number.

1107839628 is a gapful number since it is divisible by the number (18) 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 1107839628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1632971340).

1107839628 is an abundant number, since it is smaller than the sum of its proper divisors (2158103052).

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

1107839628 is a wasteful number, since it uses less digits than its factorization.

1107839628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636 (or 1624 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 1107839628 is about 33284.2249121111. The cubic root of 1107839628 is about 1034.7266434854.

The spelling of 1107839628 in words is "one billion, one hundred seven million, eight hundred thirty-nine thousand, six hundred twenty-eight".