1448749 has 4 divisors (see below), whose sum is σ = 1451164. Its totient is φ = 1446336.

The previous prime is 1448743. The next prime is 1448761. The reversal of 1448749 is 9478441.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9478441 = 7 ⋅1354063.

It can be written as a sum of positive squares in 2 ways, for example, as 837225 + 611524 = 915^2 + 782^2 .

It is a cyclic number.

It is not a de Polignac number, because 1448749 - 2⁵ = 1448717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1448743) 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, 469 + ... + 1765.

It is an arithmetic number, because the mean of its divisors is an integer number (362791).

2^1448749 is an apocalyptic number.

It is an amenable number.

1448749 is a deficient number, since it is larger than the sum of its proper divisors (2415).

1448749 is a wasteful number, since it uses less digits than its factorization.

1448749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414.

The product of its digits is 32256, while the sum is 37.

The square root of 1448749 is about 1203.6398963145. The cubic root of 1448749 is about 113.1525597515.

It can be divided in two parts, 1448 and 749, that added together give a cube (2197 = 13³).

The spelling of 1448749 in words is "one million, four hundred forty-eight thousand, seven hundred forty-nine".