1427986 has 8 divisors (see below), whose sum is σ = 2448000. Its totient is φ = 611988.

The previous prime is 1427969. The next prime is 1427999. The reversal of 1427986 is 6897241.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50986 + ... + 51013.

It is an arithmetic number, because the mean of its divisors is an integer number (306000).

2^1427986 is an apocalyptic number.

1427986 is a deficient number, since it is larger than the sum of its proper divisors (1020014).

1427986 is a wasteful number, since it uses less digits than its factorization.

1427986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102008.

The product of its digits is 24192, while the sum is 37.

The square root of 1427986 is about 1194.9836818970. The cubic root of 1427986 is about 112.6094013963.

It can be divided in two parts, 14279 and 86, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 1427986 in words is "one million, four hundred twenty-seven thousand, nine hundred eighty-six".