1429986 has 8 divisors (see below), whose sum is σ = 2859984. Its totient is φ = 476660.

The previous prime is 1429969. The next prime is 1430027. The reversal of 1429986 is 6899241.

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

1429986 is an admirable number.

It is an unprimeable number.

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, 119160 + ... + 119171.

It is an arithmetic number, because the mean of its divisors is an integer number (357498).

2^1429986 is an apocalyptic number.

1429986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1429986 is a wasteful number, since it uses less digits than its factorization.

1429986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238336.

The product of its digits is 31104, while the sum is 39.

The square root of 1429986 is about 1195.8202206017. The cubic root of 1429986 is about 112.6619494697.

It can be divided in two parts, 1429 and 986, that added together give a triangular number (2415 = T₆₉).

The spelling of 1429986 in words is "one million, four hundred twenty-nine thousand, nine hundred eighty-six".