1448891 has 4 divisors (see below), whose sum is σ = 1451352. Its totient is φ = 1446432.

The previous prime is 1448879. The next prime is 1448903. The reversal of 1448891 is 1988441.

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

It is an interprime number because it is at equal distance from previous prime (1448879) and next prime (1448903).

It is a cyclic number.

It is not a de Polignac number, because 1448891 - 2⁶ = 1448827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1448801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236 + ... + 1718.

It is an arithmetic number, because the mean of its divisors is an integer number (362838).

2^1448891 is an apocalyptic number.

1448891 is a deficient number, since it is larger than the sum of its proper divisors (2461).

1448891 is an equidigital number, since it uses as much as digits as its factorization.

1448891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460.

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

The square root of 1448891 is about 1203.6988826114. The cubic root of 1448891 is about 113.1562565360.

The spelling of 1448891 in words is "one million, four hundred forty-eight thousand, eight hundred ninety-one".