84002238 has 32 divisors (see below), whose sum is σ = 187514400. Its totient is φ = 27874368.

The previous prime is 84002231. The next prime is 84002239. The reversal of 84002238 is 83220048.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84002231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8970 + ... + 15762.

It is an arithmetic number, because the mean of its divisors is an integer number (5859825).

Almost surely, 2^84002238 is an apocalyptic number.

84002238 is an abundant number, since it is smaller than the sum of its proper divisors (103512162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84002238 is a wasteful number, since it uses less digits than its factorization.

84002238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7033 (or 7027 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 84002238 is about 9165.2734820081. The cubic root of 84002238 is about 437.9558033843.

The spelling of 84002238 in words is "eighty-four million, two thousand, two hundred thirty-eight".