84938187 has 8 divisors (see below), whose sum is σ = 117156240. Its totient is φ = 54672800.

The previous prime is 84938153. The next prime is 84938207. The reversal of 84938187 is 78183948.

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

It is a cyclic number.

It is not a de Polignac number, because 84938187 - 2⁷ = 84938059 is a prime.

It is a super-2 number, since 2×84938187² = 14428991221693938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84938587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488064 + ... + 488237.

It is an arithmetic number, because the mean of its divisors is an integer number (14644530).

Almost surely, 2^84938187 is an apocalyptic number.

84938187 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

84938187 is a deficient number, since it is larger than the sum of its proper divisors (32218053).

84938187 is a wasteful number, since it uses less digits than its factorization.

84938187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976333.

The product of its digits is 387072, while the sum is 48.

The square root of 84938187 is about 9216.1915670194. The cubic root of 84938187 is about 439.5763604943.

The spelling of 84938187 in words is "eighty-four million, nine hundred thirty-eight thousand, one hundred eighty-seven".