1083887 has 4 divisors (see below), whose sum is σ = 1238736. Its totient is φ = 929040.

The previous prime is 1083881. The next prime is 1083899. The reversal of 1083887 is 7883801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7883801 = 17 ⋅463753.

It is not a de Polignac number, because 1083887 - 2⁴ = 1083871 is a prime.

It is a super-2 number, since 2×1083887² = 2349622057538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1083881) 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, 77414 + ... + 77427.

It is an arithmetic number, because the mean of its divisors is an integer number (309684).

2^1083887 is an apocalyptic number.

1083887 is a deficient number, since it is larger than the sum of its proper divisors (154849).

1083887 is an equidigital number, since it uses as much as digits as its factorization.

1083887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154848.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 1083887 is about 1041.0989386221. The cubic root of 1083887 is about 102.7214960312.

The spelling of 1083887 in words is "one million, eighty-three thousand, eight hundred eighty-seven".