690150 has 48 divisors (see below), whose sum is σ = 1767744. Its totient is φ = 178080.

The previous prime is 690143. The next prime is 690163. The reversal of 690150 is 51096.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

690150 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 6397 + ... + 6503.

It is an arithmetic number, because the mean of its divisors is an integer number (36828).

2⁶⁹⁰¹⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (883872).

690150 is an abundant number, since it is smaller than the sum of its proper divisors (1077594).

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

690150 is a wasteful number, since it uses less digits than its factorization.

690150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 690150 is about 830.7526707751. The cubic root of 690150 is about 88.3719620615.

The spelling of 690150 in words is "six hundred ninety thousand, one hundred fifty".