669034 has 8 divisors (see below), whose sum is σ = 1030788. Its totient is φ = 325440.

The previous prime is 669029. The next prime is 669049. The reversal of 669034 is 430966.

669034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 469225 + 199809 = 685^2 + 447^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 668993 and 669011.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4447 + ... + 4594.

2⁶⁶⁹⁰³⁴ is an apocalyptic number.

669034 is a deficient number, since it is larger than the sum of its proper divisors (361754).

669034 is a wasteful number, since it uses less digits than its factorization.

669034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9080.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 669034 is about 817.9449859251. The cubic root of 669034 is about 87.4613271277.

It can be divided in two parts, 6690 and 34, that added together give a square (6724 = 82²).

The spelling of 669034 in words is "six hundred sixty-nine thousand, thirty-four".