438896234 has 12 divisors (see below), whose sum is σ = 765829314. Its totient is φ = 188098344.

The previous prime is 438896231. The next prime is 438896261. The reversal of 438896234 is 432698834.

It can be written as a sum of positive squares in only one way, i.e., 396607225 + 42289009 = 19915^2 + 6503^2 .

It is not an unprimeable number, because it can be changed into a prime (438896231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2239169 + ... + 2239364.

Almost surely, 2^438896234 is an apocalyptic number.

438896234 is a deficient number, since it is larger than the sum of its proper divisors (326933080).

438896234 is a wasteful number, since it uses less digits than its factorization.

438896234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4478549 (or 4478542 counting only the distinct ones).

The product of its digits is 995328, while the sum is 47.

The square root of 438896234 is about 20949.8504529269. The cubic root of 438896234 is about 759.9539642014.

The spelling of 438896234 in words is "four hundred thirty-eight million, eight hundred ninety-six thousand, two hundred thirty-four".