669096 has 24 divisors (see below), whose sum is σ = 1812330. Its totient is φ = 223008.

The previous prime is 669091. The next prime is 669107. The reversal of 669096 is 690966.

It can be written as a sum of positive squares in only one way, i.e., 656100 + 12996 = 810^2 + 114^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 669096.

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 in 5 ways as a sum of consecutive naturals, for example, 4575 + ... + 4718.

2⁶⁶⁹⁰⁹⁶ is an apocalyptic number.

It is an amenable number.

669096 is an abundant number, since it is smaller than the sum of its proper divisors (1143234).

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

669096 is a wasteful number, since it uses less digits than its factorization.

669096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9305 (or 9298 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 669096 is about 817.9828849065. The cubic root of 669096 is about 87.4640287517.

It can be divided in two parts, 6690 and 96, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 669096 in words is "six hundred sixty-nine thousand, ninety-six".