1669364 has 12 divisors (see below), whose sum is σ = 2961924. Its totient is φ = 823104.

The previous prime is 1669361. The next prime is 1669391. The reversal of 1669364 is 4639661.

It can be written as a sum of positive squares in 2 ways, for example, as 960400 + 708964 = 980^2 + 842^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1669361) 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, 2567 + ... + 3150.

It is an arithmetic number, because the mean of its divisors is an integer number (246827).

2^1669364 is an apocalyptic number.

It is an amenable number.

1669364 is a deficient number, since it is larger than the sum of its proper divisors (1292560).

1669364 is a wasteful number, since it uses less digits than its factorization.

1669364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5794 (or 5792 counting only the distinct ones).

The product of its digits is 23328, while the sum is 35.

The square root of 1669364 is about 1292.0386991108. The cubic root of 1669364 is about 118.6270365217.

The spelling of 1669364 in words is "one million, six hundred sixty-nine thousand, three hundred sixty-four".