690099102 has 144 divisors (see below), whose sum is σ = 1938598272. Its totient is φ = 178984080.

The previous prime is 690099097. The next prime is 690099169. The reversal of 690099102 is 201990096.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1010053 + ... + 1010735.

It is an arithmetic number, because the mean of its divisors is an integer number (13462488).

Almost surely, 2^690099102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690099102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (969299136).

690099102 is an abundant number, since it is smaller than the sum of its proper divisors (1248499170).

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

690099102 is an equidigital number, since it uses as much as digits as its factorization.

690099102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 690099102 is about 26269.7373797303. The cubic root of 690099102 is about 883.6978955468.

The spelling of 690099102 in words is "six hundred ninety million, ninety-nine thousand, one hundred two".