438930980 has 12 divisors (see below), whose sum is σ = 921755100. Its totient is φ = 175572384.

The previous prime is 438930977. The next prime is 438930983. The reversal of 438930980 is 89039834.

It is an interprime number because it is at equal distance from previous prime (438930977) and next prime (438930983).

It can be written as a sum of positive squares in 2 ways, for example, as 122589184 + 316341796 = 11072^2 + 17786^2 .

It is not an unprimeable number, because it can be changed into a prime (438930983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10973255 + ... + 10973294.

It is an arithmetic number, because the mean of its divisors is an integer number (76812925).

Almost surely, 2^438930980 is an apocalyptic number.

It is an amenable number.

438930980 is an abundant number, since it is smaller than the sum of its proper divisors (482824120).

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

438930980 is a wasteful number, since it uses less digits than its factorization.

438930980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21946558 (or 21946556 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 438930980 is about 20950.6797025777. The cubic root of 438930980 is about 759.9740180407.

The spelling of 438930980 in words is "four hundred thirty-eight million, nine hundred thirty thousand, nine hundred eighty".