1469661 has 4 divisors (see below), whose sum is σ = 1959552. Its totient is φ = 979772.

The previous prime is 1469659. The next prime is 1469687. The reversal of 1469661 is 1669641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1469661 - 2¹ = 1469659 is a prime.

It is an Ulam number.

It is a D-number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1469621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244941 + ... + 244946.

It is an arithmetic number, because the mean of its divisors is an integer number (489888).

2^1469661 is an apocalyptic number.

It is an amenable number.

1469661 is a deficient number, since it is larger than the sum of its proper divisors (489891).

1469661 is an equidigital number, since it uses as much as digits as its factorization.

1469661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489890.

The product of its digits is 7776, while the sum is 33.

The square root of 1469661 is about 1212.2957559936. The cubic root of 1469661 is about 113.6943953969.

The spelling of 1469661 in words is "one million, four hundred sixty-nine thousand, six hundred sixty-one".