1448731 has 4 divisors (see below), whose sum is σ = 1525000. Its totient is φ = 1372464.

The previous prime is 1448717. The next prime is 1448737. The reversal of 1448731 is 1378441.

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 1448731 - 2⁹ = 1448219 is a prime.

It is a super-2 number, since 2×1448731² = 4197643020722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1448731.

It is not an unprimeable number, because it can be changed into a prime (1448737) 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, 38106 + ... + 38143.

It is an arithmetic number, because the mean of its divisors is an integer number (381250).

2^1448731 is an apocalyptic number.

1448731 is a deficient number, since it is larger than the sum of its proper divisors (76269).

1448731 is an equidigital number, since it uses as much as digits as its factorization.

1448731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76268.

The product of its digits is 2688, while the sum is 28.

The square root of 1448731 is about 1203.6324189718. The cubic root of 1448731 is about 113.1520911278.

The spelling of 1448731 in words is "one million, four hundred forty-eight thousand, seven hundred thirty-one".