1481806 has 4 divisors (see below), whose sum is σ = 2222712. Its totient is φ = 740902.

The previous prime is 1481801. The next prime is 1481819. The reversal of 1481806 is 6081841.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481801) 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, 370450 + ... + 370453.

It is an arithmetic number, because the mean of its divisors is an integer number (555678).

2^1481806 is an apocalyptic number.

1481806 is a deficient number, since it is larger than the sum of its proper divisors (740906).

1481806 is an equidigital number, since it uses as much as digits as its factorization.

1481806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740905.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1481806 is about 1217.2945411855. The cubic root of 1481806 is about 114.0067196203.

The spelling of 1481806 in words is "one million, four hundred eighty-one thousand, eight hundred six".