1461986 has 4 divisors (see below), whose sum is σ = 2192982. Its totient is φ = 730992.

The previous prime is 1461979. The next prime is 1461989. The reversal of 1461986 is 6891641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6891641 = 31 ⋅222311.

It can be written as a sum of positive squares in only one way, i.e., 1142761 + 319225 = 1069^2 + 565^2 .

It is not an unprimeable number, because it can be changed into a prime (1461989) by changing a digit.

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 as a sum of consecutive naturals, namely, 365495 + ... + 365498.

2^1461986 is an apocalyptic number.

1461986 is a deficient number, since it is larger than the sum of its proper divisors (730996).

1461986 is an equidigital number, since it uses as much as digits as its factorization.

1461986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730995.

The product of its digits is 10368, while the sum is 35.

The square root of 1461986 is about 1209.1261307242. The cubic root of 1461986 is about 113.4961347309.

The spelling of 1461986 in words is "one million, four hundred sixty-one thousand, nine hundred eighty-six".