438244497 has 12 divisors (see below), whose sum is σ = 646488960. Its totient is φ = 285946488.

The previous prime is 438244493. The next prime is 438244511. The reversal of 438244497 is 794442834.

438244497 is a `hidden beast` number, since 43 + 82 + 44 + 497 = 666.

It is not a de Polignac number, because 438244497 - 2² = 438244493 is a prime.

It is not an unprimeable number, because it can be changed into a prime (438244493) 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 11 ways as a sum of consecutive naturals, for example, 517597 + ... + 518442.

It is an arithmetic number, because the mean of its divisors is an integer number (53874080).

Almost surely, 2^438244497 is an apocalyptic number.

438244497 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

438244497 is a deficient number, since it is larger than the sum of its proper divisors (208244463).

438244497 is a wasteful number, since it uses less digits than its factorization.

438244497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036092 (or 1036089 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 438244497 is about 20934.2899807947. The cubic root of 438244497 is about 759.5776144400.

The spelling of 438244497 in words is "four hundred thirty-eight million, two hundred forty-four thousand, four hundred ninety-seven".