1448739 has 8 divisors (see below), whose sum is σ = 2146320. Its totient is φ = 965808.

The previous prime is 1448737. The next prime is 1448743. The reversal of 1448739 is 9378441.

It is a happy number.

It is not a de Polignac number, because 1448739 - 2¹ = 1448737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1448737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26802 + ... + 26855.

It is an arithmetic number, because the mean of its divisors is an integer number (268290).

2^1448739 is an apocalyptic number.

1448739 is a deficient number, since it is larger than the sum of its proper divisors (697581).

1448739 is an equidigital number, since it uses as much as digits as its factorization.

1448739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53666 (or 53660 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 1448739 is about 1203.6357422410. The cubic root of 1448739 is about 113.1522994055.

It can be divided in two parts, 1448 and 739, that added together give a 7-th power (2187 = 3⁷).

The spelling of 1448739 in words is "one million, four hundred forty-eight thousand, seven hundred thirty-nine".