1983087 has 12 divisors (see below), whose sum is σ = 3015480. Its totient is φ = 1252368.

The previous prime is 1983077. The next prime is 1983097. The reversal of 1983087 is 7803891.

It is an interprime number because it is at equal distance from previous prime (1983077) and next prime (1983097).

It is a de Polignac number, because none of the positive numbers 2^k-1983087 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1983077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5628 + ... + 5969.

It is an arithmetic number, because the mean of its divisors is an integer number (251290).

2^1983087 is an apocalyptic number.

1983087 is a deficient number, since it is larger than the sum of its proper divisors (1032393).

1983087 is a wasteful number, since it uses less digits than its factorization.

1983087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11622 (or 11619 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 1983087 is about 1408.2212184170. The cubic root of 1983087 is about 125.6359484035.

The spelling of 1983087 in words is "one million, nine hundred eighty-three thousand, eighty-seven".