1438089 has 8 divisors (see below), whose sum is σ = 1932000. Its totient is φ = 951456.

The previous prime is 1438069. The next prime is 1438093. The reversal of 1438089 is 9808341.

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

It is not a de Polignac number, because 1438089 - 2⁵ = 1438057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1438009) 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 7 ways as a sum of consecutive naturals, for example, 1339 + ... + 2160.

It is an arithmetic number, because the mean of its divisors is an integer number (241500).

2^1438089 is an apocalyptic number.

It is an amenable number.

1438089 is a deficient number, since it is larger than the sum of its proper divisors (493911).

1438089 is a wasteful number, since it uses less digits than its factorization.

1438089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1438089 is about 1199.2034856520. The cubic root of 1438089 is about 112.8743480228.

The spelling of 1438089 in words is "one million, four hundred thirty-eight thousand, eighty-nine".