669094 has 4 divisors (see below), whose sum is σ = 1003644. Its totient is φ = 334546.

The previous prime is 669091. The next prime is 669107. The reversal of 669094 is 490966.

669094 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167272 + ... + 167275.

It is an arithmetic number, because the mean of its divisors is an integer number (250911).

2⁶⁶⁹⁰⁹⁴ is an apocalyptic number.

669094 is a deficient number, since it is larger than the sum of its proper divisors (334550).

669094 is a wasteful number, since it uses less digits than its factorization.

669094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334549.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 669094 is about 817.9816623861. The cubic root of 669094 is about 87.4639416051.

The spelling of 669094 in words is "six hundred sixty-nine thousand, ninety-four".