669462 has 8 divisors (see below), whose sum is σ = 1338936. Its totient is φ = 223152.

The previous prime is 669451. The next prime is 669463. The reversal of 669462 is 264966.

669462 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

669462 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55783 + ... + 55794.

It is an arithmetic number, because the mean of its divisors is an integer number (167367).

2⁶⁶⁹⁴⁶² is an apocalyptic number.

669462 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

669462 is a wasteful number, since it uses less digits than its factorization.

669462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111582.

The product of its digits is 15552, while the sum is 33.

The square root of 669462 is about 818.2065753830. The cubic root of 669462 is about 87.4799736482.

Subtracting from 669462 its reverse (264966), we obtain a square (404496 = 636²).

The spelling of 669462 in words is "six hundred sixty-nine thousand, four hundred sixty-two".