1061986 has 8 divisors (see below), whose sum is σ = 1676880. Its totient is φ = 503028.

The previous prime is 1061969. The next prime is 1061993. The reversal of 1061986 is 6891601.

It is a happy number.

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

It is a super-2 number, since 2×1061986² = 2255628528392, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13936 + ... + 14011.

It is an arithmetic number, because the mean of its divisors is an integer number (209610).

2^1061986 is an apocalyptic number.

1061986 is a deficient number, since it is larger than the sum of its proper divisors (614894).

1061986 is a wasteful number, since it uses less digits than its factorization.

1061986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27968.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1061986 is about 1030.5270496207. The cubic root of 1061986 is about 102.0249202215.

The spelling of 1061986 in words is "one million, sixty-one thousand, nine hundred eighty-six".