1882489 has 4 divisors (see below), whose sum is σ = 2151424. Its totient is φ = 1613556.

The previous prime is 1882471. The next prime is 1882519. The reversal of 1882489 is 9842881.

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 not a de Polignac number, because 1882489 - 2⁵ = 1882457 is a prime.

It is a Duffinian number.

1882489 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1882409) 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, 134457 + ... + 134470.

It is an arithmetic number, because the mean of its divisors is an integer number (537856).

2^1882489 is an apocalyptic number.

It is an amenable number.

1882489 is a deficient number, since it is larger than the sum of its proper divisors (268935).

1882489 is an equidigital number, since it uses as much as digits as its factorization.

1882489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268934.

The product of its digits is 36864, while the sum is 40.

The square root of 1882489 is about 1372.0382647725. The cubic root of 1882489 is about 123.4745586215.

The spelling of 1882489 in words is "one million, eight hundred eighty-two thousand, four hundred eighty-nine".