1481786 has 4 divisors (see below), whose sum is σ = 2222682. Its totient is φ = 740892.

The previous prime is 1481783. The next prime is 1481797. The reversal of 1481786 is 6871841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1394761 + 87025 = 1181^2 + 295^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1481783) 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, 370445 + ... + 370448.

2^1481786 is an apocalyptic number.

1481786 is a deficient number, since it is larger than the sum of its proper divisors (740896).

1481786 is an equidigital number, since it uses as much as digits as its factorization.

1481786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740895.

The product of its digits is 10752, while the sum is 35.

The square root of 1481786 is about 1217.2863262191. The cubic root of 1481786 is about 114.0062067001.

The spelling of 1481786 in words is "one million, four hundred eighty-one thousand, seven hundred eighty-six".