1484891 has 4 divisors (see below), whose sum is σ = 1489152. Its totient is φ = 1480632.

The previous prime is 1484849. The next prime is 1484911. The reversal of 1484891 is 1984841.

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

It is a cyclic number.

It is not a de Polignac number, because 1484891 - 2⁶ = 1484827 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1484291) 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 in 3 ways as a sum of consecutive naturals, for example, 1556 + ... + 2321.

It is an arithmetic number, because the mean of its divisors is an integer number (372288).

2^1484891 is an apocalyptic number.

1484891 is a deficient number, since it is larger than the sum of its proper divisors (4261).

1484891 is an equidigital number, since it uses as much as digits as its factorization.

1484891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4260.

The product of its digits is 9216, while the sum is 35.

The square root of 1484891 is about 1218.5610366330. The cubic root of 1484891 is about 114.0857823618.

The spelling of 1484891 in words is "one million, four hundred eighty-four thousand, eight hundred ninety-one".