1448889 has 16 divisors (see below), whose sum is σ = 2107392. Its totient is φ = 880128.

The previous prime is 1448879. The next prime is 1448903. The reversal of 1448889 is 9888441.

It is not a de Polignac number, because 1448889 - 2⁴ = 1448873 is a prime.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1448889.

It is not an unprimeable number, because it can be changed into a prime (1448819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3592 + ... + 3974.

It is an arithmetic number, because the mean of its divisors is an integer number (131712).

2^1448889 is an apocalyptic number.

It is an amenable number.

1448889 is a deficient number, since it is larger than the sum of its proper divisors (658503).

1448889 is a wasteful number, since it uses less digits than its factorization.

1448889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496.

The product of its digits is 73728, while the sum is 42.

The square root of 1448889 is about 1203.6980518386. The cubic root of 1448889 is about 113.1562044703.

The spelling of 1448889 in words is "one million, four hundred forty-eight thousand, eight hundred eighty-nine".