1438449 has 8 divisors (see below), whose sum is σ = 1969920. Its totient is φ = 932976.

The previous prime is 1438447. The next prime is 1438457. The reversal of 1438449 is 9448341.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1438449 - 2¹ = 1438447 is a prime.

1438449 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1438447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6369 + ... + 6590.

It is an arithmetic number, because the mean of its divisors is an integer number (246240).

2^1438449 is an apocalyptic number.

It is an amenable number.

1438449 is a deficient number, since it is larger than the sum of its proper divisors (531471).

1438449 is a wasteful number, since it uses less digits than its factorization.

1438449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12999.

The product of its digits is 13824, while the sum is 33.

The square root of 1438449 is about 1199.3535758899. The cubic root of 1438449 is about 112.8837659320.

The spelling of 1438449 in words is "one million, four hundred thirty-eight thousand, four hundred forty-nine".