1881283 has 4 divisors (see below), whose sum is σ = 1907128. Its totient is φ = 1855440.

The previous prime is 1881277. The next prime is 1881289. The reversal of 1881283 is 3821881.

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

It is an interprime number because it is at equal distance from previous prime (1881277) and next prime (1881289).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1881283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1881289) 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, 12813 + ... + 12958.

It is an arithmetic number, because the mean of its divisors is an integer number (476782).

2^1881283 is an apocalyptic number.

1881283 is a deficient number, since it is larger than the sum of its proper divisors (25845).

1881283 is an equidigital number, since it uses as much as digits as its factorization.

1881283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25844.

The product of its digits is 3072, while the sum is 31.

The square root of 1881283 is about 1371.5987022449. The cubic root of 1881283 is about 123.4481853592.

The spelling of 1881283 in words is "one million, eight hundred eighty-one thousand, two hundred eighty-three".