1669952 has 28 divisors (see below), whose sum is σ = 3360420. Its totient is φ = 823296.

The previous prime is 1669951. The next prime is 1669963. The reversal of 1669952 is 2599661.

It can be written as a sum of positive squares in 2 ways, for example, as 379456 + 1290496 = 616^2 + 1136^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1669951) 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, 6074 + ... + 6342.

It is an arithmetic number, because the mean of its divisors is an integer number (120015).

2^1669952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1669952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1680210).

1669952 is an abundant number, since it is smaller than the sum of its proper divisors (1690468).

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

1669952 is an equidigital number, since it uses as much as digits as its factorization.

1669952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 368 counting only the distinct ones).

The product of its digits is 29160, while the sum is 38.

The square root of 1669952 is about 1292.2662264410. The cubic root of 1669952 is about 118.6409628852.

The spelling of 1669952 in words is "one million, six hundred sixty-nine thousand, nine hundred fifty-two".