1284086 has 8 divisors (see below), whose sum is σ = 1946280. Its totient is φ = 635328.

The previous prime is 1284083. The next prime is 1284131. The reversal of 1284086 is 6804821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1284083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3116 + ... + 3503.

It is an arithmetic number, because the mean of its divisors is an integer number (243285).

2^1284086 is an apocalyptic number.

1284086 is a deficient number, since it is larger than the sum of its proper divisors (662194).

1284086 is an equidigital number, since it uses as much as digits as its factorization.

1284086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6718.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 1284086 is about 1133.1751850442. The cubic root of 1284086 is about 108.6921143475.

The spelling of 1284086 in words is "one million, two hundred eighty-four thousand, eighty-six".