609700100 has 72 divisors (see below), whose sum is σ = 1404285120. Its totient is φ = 229271680.

The previous prime is 609700093. The next prime is 609700127. The reversal of 609700100 is 1007906.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 23 ways as a sum of consecutive naturals, for example, 133454 + ... + 137946.

It is an arithmetic number, because the mean of its divisors is an integer number (19503960).

Almost surely, 2^609700100 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 609700100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702142560).

609700100 is an abundant number, since it is smaller than the sum of its proper divisors (794585020).

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

609700100 is a wasteful number, since it uses less digits than its factorization.

609700100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4589 (or 4582 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 609700100 is about 24692.1060260157. The cubic root of 609700100 is about 847.9536008344.

The spelling of 609700100 in words is "six hundred nine million, seven hundred thousand, one hundred".