438465339 has 32 divisors (see below), whose sum is σ = 700983360. Its totient is φ = 269270784.

The previous prime is 438465331. The next prime is 438465359. The reversal of 438465339 is 933564834.

It is not a de Polignac number, because 438465339 - 2³ = 438465331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 438465294 and 438465303.

It is not an unprimeable number, because it can be changed into a prime (438465331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228247 + ... + 230159.

It is an arithmetic number, because the mean of its divisors is an integer number (21905730).

Almost surely, 2^438465339 is an apocalyptic number.

438465339 is a deficient number, since it is larger than the sum of its proper divisors (262518021).

438465339 is a wasteful number, since it uses less digits than its factorization.

438465339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588 (or 2582 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The square root of 438465339 is about 20939.5639639416. The cubic root of 438465339 is about 759.7051828570.

The spelling of 438465339 in words is "four hundred thirty-eight million, four hundred sixty-five thousand, three hundred thirty-nine".