438288945 has 8 divisors (see below), whose sum is σ = 701262336. Its totient is φ = 233754096.

The previous prime is 438288923. The next prime is 438288947. The reversal of 438288945 is 549882834.

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

It is not a de Polignac number, because 438288945 - 2⁵ = 438288913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (438288947) 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, 14609617 + ... + 14609646.

It is an arithmetic number, because the mean of its divisors is an integer number (87657792).

Almost surely, 2^438288945 is an apocalyptic number.

It is an amenable number.

438288945 is a deficient number, since it is larger than the sum of its proper divisors (262973391).

438288945 is a wasteful number, since it uses less digits than its factorization.

438288945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29219271.

The product of its digits is 2211840, while the sum is 51.

The square root of 438288945 is about 20935.3515614140. The cubic root of 438288945 is about 759.6032930773.

The spelling of 438288945 in words is "four hundred thirty-eight million, two hundred eighty-eight thousand, nine hundred forty-five".