669562 has 16 divisors (see below), whose sum is σ = 1088640. Its totient is φ = 307648.

The previous prime is 669551. The next prime is 669577. The reversal of 669562 is 265966.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1389 + ... + 1807.

It is an arithmetic number, because the mean of its divisors is an integer number (68040).

2⁶⁶⁹⁵⁶² is an apocalyptic number.

669562 is a deficient number, since it is larger than the sum of its proper divisors (419078).

669562 is a wasteful number, since it uses less digits than its factorization.

669562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485.

The product of its digits is 19440, while the sum is 34.

The square root of 669562 is about 818.2676823632. The cubic root of 669562 is about 87.4843291664.

The spelling of 669562 in words is "six hundred sixty-nine thousand, five hundred sixty-two".