669033 has 16 divisors (see below), whose sum is σ = 1008000. Its totient is φ = 438480.

The previous prime is 669029. The next prime is 669049. The reversal of 669033 is 330966.

669033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 669033 - 2² = 669029 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 668988 and 669006.

It is not an unprimeable number, because it can be changed into a prime (669023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1743 + ... + 2091.

It is an arithmetic number, because the mean of its divisors is an integer number (63000).

2⁶⁶⁹⁰³³ is an apocalyptic number.

It is an amenable number.

669033 is a deficient number, since it is larger than the sum of its proper divisors (338967).

669033 is a wasteful number, since it uses less digits than its factorization.

669033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 669033 is about 817.9443746368. The cubic root of 669033 is about 87.4612835518.

Adding to 669033 its reverse (330966), we get a palindrome (999999).

The spelling of 669033 in words is "six hundred sixty-nine thousand, thirty-three".