84230138 has 8 divisors (see below), whose sum is σ = 133777332. Its totient is φ = 39637696.

The previous prime is 84230129. The next prime is 84230141. The reversal of 84230138 is 83103248.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 84033889 + 196249 = 9167^2 + 443^2 .

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

It is a super-2 number, since 2×84230138² = 14189432294998088, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 84230138.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1238645 + ... + 1238712.

Almost surely, 2^84230138 is an apocalyptic number.

84230138 is a deficient number, since it is larger than the sum of its proper divisors (49547194).

84230138 is a wasteful number, since it uses less digits than its factorization.

84230138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477376.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 84230138 is about 9177.6978594852. The cubic root of 84230138 is about 438.3515071314.

The spelling of 84230138 in words is "eighty-four million, two hundred thirty thousand, one hundred thirty-eight".