438424834 has 4 divisors (see below), whose sum is σ = 657637254. Its totient is φ = 219212416.

The previous prime is 438424823. The next prime is 438424907.

438424834 is nontrivially palindromic in base 10.

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., 354757225 + 83667609 = 18835^2 + 9147^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109606207 + ... + 109606210.

Almost surely, 2^438424834 is an apocalyptic number.

438424834 is a deficient number, since it is larger than the sum of its proper divisors (219212420).

438424834 is a wasteful number, since it uses less digits than its factorization.

438424834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219212419.

The product of its digits is 294912, while the sum is 40.

The square root of 438424834 is about 20938.5967533643. The cubic root of 438424834 is about 759.6817885288.

The spelling of 438424834 in words is "four hundred thirty-eight million, four hundred twenty-four thousand, eight hundred thirty-four".