669030 has 32 divisors (see below), whose sum is σ = 1663200. Its totient is φ = 172032.

The previous prime is 669029. The next prime is 669049. The reversal of 669030 is 30966.

669030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

669030 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

It is a super-2 number, since 2×669030² = 895202281800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486 + ... + 1254.

It is an arithmetic number, because the mean of its divisors is an integer number (51975).

2⁶⁶⁹⁰³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 669030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (831600).

669030 is an abundant number, since it is smaller than the sum of its proper divisors (994170).

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

669030 is a wasteful number, since it uses less digits than its factorization.

669030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 669030 is about 817.9425407692. The cubic root of 669030 is about 87.4611528237.

Adding to 669030 its reverse (30966), we get a palindrome (699996).

The spelling of 669030 in words is "six hundred sixty-nine thousand, thirty".