438980914 has 4 divisors (see below), whose sum is σ = 658471374. Its totient is φ = 219490456.

The previous prime is 438980911. The next prime is 438980933. The reversal of 438980914 is 419089834.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 397803025 + 41177889 = 19945^2 + 6417^2 .

It is not an unprimeable number, because it can be changed into a prime (438980911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109745227 + ... + 109745230.

Almost surely, 2^438980914 is an apocalyptic number.

438980914 is a deficient number, since it is larger than the sum of its proper divisors (219490460).

438980914 is a wasteful number, since it uses less digits than its factorization.

438980914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219490459.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 438980914 is about 20951.8713722665. The cubic root of 438980914 is about 760.0028358620.

The spelling of 438980914 in words is "four hundred thirty-eight million, nine hundred eighty thousand, nine hundred fourteen".