438168362 has 4 divisors (see below), whose sum is σ = 657252546. Its totient is φ = 219084180.

The previous prime is 438168361. The next prime is 438168389. The reversal of 438168362 is 263861834.

It is a happy number.

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., 437186281 + 982081 = 20909^2 + 991^2 .

It is not an unprimeable number, because it can be changed into a prime (438168361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109542089 + ... + 109542092.

Almost surely, 2^438168362 is an apocalyptic number.

438168362 is a deficient number, since it is larger than the sum of its proper divisors (219084184).

438168362 is a wasteful number, since it uses less digits than its factorization.

438168362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219084183.

The product of its digits is 165888, while the sum is 41.

The square root of 438168362 is about 20932.4714737653. The cubic root of 438168362 is about 759.5336254556.

The spelling of 438168362 in words is "four hundred thirty-eight million, one hundred sixty-eight thousand, three hundred sixty-two".