438502089 has 8 divisors (see below), whose sum is σ = 598266592. Its totient is φ = 285536160.

The previous prime is 438502079. The next prime is 438502109. The reversal of 438502089 is 980205834.

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 438502089 - 2⁴ = 438502073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (438502079) 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, 1699492 + ... + 1699749.

It is an arithmetic number, because the mean of its divisors is an integer number (74783324).

Almost surely, 2^438502089 is an apocalyptic number.

It is an amenable number.

438502089 is a deficient number, since it is larger than the sum of its proper divisors (159764503).

438502089 is a wasteful number, since it uses less digits than its factorization.

438502089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3399287.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 438502089 is about 20940.4414709910. The cubic root of 438502089 is about 759.7264071766.

The spelling of 438502089 in words is "four hundred thirty-eight million, five hundred two thousand, eighty-nine".