690108 has 24 divisors (see below), whose sum is σ = 1626240. Its totient is φ = 227760.

The previous prime is 690103. The next prime is 690119. The reversal of 690108 is 801096.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 690108.

It is not an unprimeable number, because it can be changed into a prime (690103) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1353 + ... + 1791.

It is an arithmetic number, because the mean of its divisors is an integer number (67760).

2⁶⁹⁰¹⁰⁸ is an apocalyptic number.

It is an amenable number.

690108 is an abundant number, since it is smaller than the sum of its proper divisors (936132).

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

690108 is a wasteful number, since it uses less digits than its factorization.

690108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 690108 is about 830.7273921089. The cubic root of 690108 is about 88.3701693605.

The spelling of 690108 in words is "six hundred ninety thousand, one hundred eight".