1986034 has 8 divisors (see below), whose sum is σ = 2985948. Its totient is φ = 990720.

The previous prime is 1986029. The next prime is 1986037. The reversal of 1986034 is 4306891.

It can be written as a sum of positive squares in 2 ways, for example, as 1570009 + 416025 = 1253^2 + 645^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1985987 and 1986005.

It is not an unprimeable number, because it can be changed into a prime (1986037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294 + ... + 2014.

2^1986034 is an apocalyptic number.

1986034 is a deficient number, since it is larger than the sum of its proper divisors (999914).

1986034 is a wasteful number, since it uses less digits than its factorization.

1986034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1986034 is about 1409.2671854549. The cubic root of 1986034 is about 125.6981520766.

The spelling of 1986034 in words is "one million, nine hundred eighty-six thousand, thirty-four".