200669 has 8 divisors (see below), whose sum is σ = 232320. Its totient is φ = 169776.

The previous prime is 200657. The next prime is 200671. The reversal of 200669 is 966002.

200669 = T₇₆ + T₇₇ + ... + T₁₁₇.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200669 is a prime.

It is a super-2 number, since 2×200669² = 80536095122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632 + ... + 894.

It is an arithmetic number, because the mean of its divisors is an integer number (29040).

2²⁰⁰⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

200669 is a deficient number, since it is larger than the sum of its proper divisors (31651).

200669 is a wasteful number, since it uses less digits than its factorization.

200669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 200669 is about 447.9609357969. The cubic root of 200669 is about 58.5454877904.

The spelling of 200669 in words is "two hundred thousand, six hundred sixty-nine".