1882261 has 4 divisors (see below), whose sum is σ = 1903500. Its totient is φ = 1861024.

The previous prime is 1882259. The next prime is 1882271. The reversal of 1882261 is 1622881.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 269361 + 1612900 = 519^2 + 1270^2 .

It is a cyclic number.

It is not a de Polignac number, because 1882261 - 2¹ = 1882259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1882211) 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 3 ways as a sum of consecutive naturals, for example, 10486 + ... + 10663.

It is an arithmetic number, because the mean of its divisors is an integer number (475875).

2^1882261 is an apocalyptic number.

It is an amenable number.

1882261 is a deficient number, since it is larger than the sum of its proper divisors (21239).

1882261 is an equidigital number, since it uses as much as digits as its factorization.

1882261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21238.

The product of its digits is 1536, while the sum is 28.

The square root of 1882261 is about 1371.9551741948. The cubic root of 1882261 is about 123.4695734953.

The spelling of 1882261 in words is "one million, eight hundred eighty-two thousand, two hundred sixty-one".