84064238 has 16 divisors (see below), whose sum is σ = 128226240. Its totient is φ = 41327616.

The previous prime is 84064199. The next prime is 84064271. The reversal of 84064238 is 83246048.

It is a super-2 number, since 2×84064238² = 14133592221041288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84064198 and 84064207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33131 + ... + 35577.

It is an arithmetic number, because the mean of its divisors is an integer number (8014140).

Almost surely, 2^84064238 is an apocalyptic number.

84064238 is a deficient number, since it is larger than the sum of its proper divisors (44162002).

84064238 is a wasteful number, since it uses less digits than its factorization.

84064238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731.

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 84064238 is about 9168.6551903755. The cubic root of 84064238 is about 438.0635250467.

The spelling of 84064238 in words is "eighty-four million, sixty-four thousand, two hundred thirty-eight".