42838106 has 8 divisors (see below), whose sum is σ = 64357524. Its totient is φ = 21385600.

The previous prime is 42838093. The next prime is 42838109. The reversal of 42838106 is 60183824.

It can be written as a sum of positive squares in 2 ways, for example, as 38254225 + 4583881 = 6185^2 + 2141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (42838109) 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, 15095 + ... + 17706.

Almost surely, 2^42838106 is an apocalyptic number.

42838106 is a deficient number, since it is larger than the sum of its proper divisors (21519418).

42838106 is a wasteful number, since it uses less digits than its factorization.

42838106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33456.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 42838106 is about 6545.0825816028. The cubic root of 42838106 is about 349.8995793537.

The spelling of 42838106 in words is "forty-two million, eight hundred thirty-eight thousand, one hundred six".