84009384 has 48 divisors (see below), whose sum is σ = 227947200. Its totient is φ = 27951264.

The previous prime is 84009377. The next prime is 84009389. The reversal of 84009384 is 48390048.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (84009389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74247 + ... + 75369.

It is an arithmetic number, because the mean of its divisors is an integer number (4748900).

Almost surely, 2^84009384 is an apocalyptic number.

It is an amenable number.

84009384 is an abundant number, since it is smaller than the sum of its proper divisors (143937816).

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

84009384 is a wasteful number, since it uses less digits than its factorization.

84009384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174 (or 2167 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 84009384 is about 9165.6633147852. The cubic root of 84009384 is about 437.9682218766.

The spelling of 84009384 in words is "eighty-four million, nine thousand, three hundred eighty-four".