438385002 has 32 divisors (see below), whose sum is σ = 969589440. Its totient is φ = 131022720.

The previous prime is 438384959. The next prime is 438385007. The reversal of 438385002 is 200583834.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (438385007) 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 15 ways as a sum of consecutive naturals, for example, 40677 + ... + 50312.

It is an arithmetic number, because the mean of its divisors is an integer number (30299670).

Almost surely, 2^438385002 is an apocalyptic number.

438385002 is an abundant number, since it is smaller than the sum of its proper divisors (531204438).

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

438385002 is a wasteful number, since it uses less digits than its factorization.

438385002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91078.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 438385002 is about 20937.6455696432. The cubic root of 438385002 is about 759.6587814977.

The spelling of 438385002 in words is "four hundred thirty-eight million, three hundred eighty-five thousand, two".