669095 has 12 divisors (see below), whose sum is σ = 934344. Its totient is φ = 458640.

The previous prime is 669091. The next prime is 669107. The reversal of 669095 is 590966.

It is not a de Polignac number, because 669095 - 2² = 669091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian 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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1121 + ... + 1610.

It is an arithmetic number, because the mean of its divisors is an integer number (77862).

2⁶⁶⁹⁰⁹⁵ is an apocalyptic number.

669095 is a deficient number, since it is larger than the sum of its proper divisors (265249).

669095 is a wasteful number, since it uses less digits than its factorization.

669095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750 (or 2743 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 669095 is about 817.9822736466. The cubic root of 669095 is about 87.4639851784.

The spelling of 669095 in words is "six hundred sixty-nine thousand, ninety-five".