438414009 has 8 divisors (see below), whose sum is σ = 637693152. Its totient is φ = 265705440.

The previous prime is 438414001. The next prime is 438414013. The reversal of 438414009 is 900414834.

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 438414009 - 2³ = 438414001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 13285273 = 438414009 / (4 + 3 + 8 + 4 + 1 + 4 + 0 + 0 + 9).

It is not an unprimeable number, because it can be changed into a prime (438414001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6642604 + ... + 6642669.

It is an arithmetic number, because the mean of its divisors is an integer number (79711644).

Almost surely, 2^438414009 is an apocalyptic number.

It is an amenable number.

438414009 is a deficient number, since it is larger than the sum of its proper divisors (199279143).

438414009 is a wasteful number, since it uses less digits than its factorization.

438414009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13285287.

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

The square root of 438414009 is about 20938.3382578465. The cubic root of 438414009 is about 759.6755361283.

The spelling of 438414009 in words is "four hundred thirty-eight million, four hundred fourteen thousand, nine".