621096112 has 80 divisors (see below), whose sum is σ = 1498029120. Its totient is φ = 242896896.

The previous prime is 621096109. The next prime is 621096121. The reversal of 621096112 is 211690126.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127188 + ... + 131980.

It is an arithmetic number, because the mean of its divisors is an integer number (18725364).

Almost surely, 2^621096112 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 621096112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749014560).

621096112 is an abundant number, since it is smaller than the sum of its proper divisors (876933008).

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

621096112 is a wasteful number, since it uses less digits than its factorization.

621096112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4910 (or 4904 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 621096112 is about 24921.7999349967. The cubic root of 621096112 is about 853.2041061364.

The spelling of 621096112 in words is "six hundred twenty-one million, ninety-six thousand, one hundred twelve".