1448399 has 4 divisors (see below), whose sum is σ = 1479264. Its totient is φ = 1417536.

The previous prime is 1448387. The next prime is 1448401. The reversal of 1448399 is 9938441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1448399 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 (1448309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15362 + ... + 15455.

It is an arithmetic number, because the mean of its divisors is an integer number (369816).

2^1448399 is an apocalyptic number.

1448399 is a deficient number, since it is larger than the sum of its proper divisors (30865).

1448399 is an equidigital number, since it uses as much as digits as its factorization.

1448399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30864.

The product of its digits is 31104, while the sum is 38.

The square root of 1448399 is about 1203.4944952097. The cubic root of 1448399 is about 113.1434469271.

The spelling of 1448399 in words is "one million, four hundred forty-eight thousand, three hundred ninety-nine".