1669332 has 72 divisors (see below), whose sum is σ = 4826304. Its totient is φ = 446208.

The previous prime is 1669331. The next prime is 1669351. The reversal of 1669332 is 2339661.

It is a happy number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1669332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1669331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9913 + ... + 10079.

It is an arithmetic number, because the mean of its divisors is an integer number (67032).

2^1669332 is an apocalyptic number.

1669332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1669332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2413152).

1669332 is an abundant number, since it is smaller than the sum of its proper divisors (3156972).

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

1669332 is a wasteful number, since it uses less digits than its factorization.

1669332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 196 counting only the distinct ones).

The product of its digits is 5832, while the sum is 30.

The square root of 1669332 is about 1292.0263155215. The cubic root of 1669332 is about 118.6262785306.

The spelling of 1669332 in words is "one million, six hundred sixty-nine thousand, three hundred thirty-two".