1486861 has 4 divisors (see below), whose sum is σ = 1497852. Its totient is φ = 1475872.

The previous prime is 1486847. The next prime is 1486867. The reversal of 1486861 is 1686841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1686841 = 13 ⋅129757.

It can be written as a sum of positive squares in 2 ways, for example, as 837225 + 649636 = 915^2 + 806^2 .

It is a cyclic number.

It is not a de Polignac number, because 1486861 - 2⁵ = 1486829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1486867) 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, 5290 + ... + 5563.

It is an arithmetic number, because the mean of its divisors is an integer number (374463).

2^1486861 is an apocalyptic number.

It is an amenable number.

1486861 is a deficient number, since it is larger than the sum of its proper divisors (10991).

1486861 is a wasteful number, since it uses less digits than its factorization.

1486861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10990.

The product of its digits is 9216, while the sum is 34.

The square root of 1486861 is about 1219.3690991656. The cubic root of 1486861 is about 114.1362124772.

The spelling of 1486861 in words is "one million, four hundred eighty-six thousand, eight hundred sixty-one".