669496 has 16 divisors (see below), whose sum is σ = 1279800. Its totient is φ = 328224.

The previous prime is 669481. The next prime is 669527. The reversal of 669496 is 694966.

669496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366 + ... + 1213.

2⁶⁶⁹⁴⁹⁶ is an apocalyptic number.

It is an amenable number.

669496 is a deficient number, since it is larger than the sum of its proper divisors (610304).

669496 is a wasteful number, since it uses less digits than its factorization.

669496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638 (or 1634 counting only the distinct ones).

The product of its digits is 69984, while the sum is 40.

The square root of 669496 is about 818.2273522683. The cubic root of 669496 is about 87.4814545730.

The spelling of 669496 in words is "six hundred sixty-nine thousand, four hundred ninety-six".