84988238 has 4 divisors (see below), whose sum is σ = 127482360. Its totient is φ = 42494118.

The previous prime is 84988237. The next prime is 84988247. The reversal of 84988238 is 83288948.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84988231) 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 as a sum of consecutive naturals, namely, 21247058 + ... + 21247061.

It is an arithmetic number, because the mean of its divisors is an integer number (31870590).

Almost surely, 2^84988238 is an apocalyptic number.

84988238 is a deficient number, since it is larger than the sum of its proper divisors (42494122).

84988238 is a wasteful number, since it uses less digits than its factorization.

84988238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42494121.

The product of its digits is 884736, while the sum is 50.

The square root of 84988238 is about 9218.9065512131. The cubic root of 84988238 is about 439.6626856879.

The spelling of 84988238 in words is "eighty-four million, nine hundred eighty-eight thousand, two hundred thirty-eight".