438023224 has 64 divisors (see below), whose sum is σ = 912824640. Its totient is φ = 195993600.

The previous prime is 438023219. The next prime is 438023231. The reversal of 438023224 is 422320834.

It is a junction number, because it is equal to n+sod(n) for n = 438023192 and 438023201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 728524 + ... + 729124.

It is an arithmetic number, because the mean of its divisors is an integer number (14262885).

Almost surely, 2^438023224 is an apocalyptic number.

It is an amenable number.

438023224 is an abundant number, since it is smaller than the sum of its proper divisors (474801416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

438023224 is a wasteful number, since it uses less digits than its factorization.

438023224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880 (or 876 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 438023224 is about 20929.0043719237. The cubic root of 438023224 is about 759.4497540684.

The spelling of 438023224 in words is "four hundred thirty-eight million, twenty-three thousand, two hundred twenty-four".