84064994 has 48 divisors (see below), whose sum is σ = 144198144. Its totient is φ = 36691200.

The previous prime is 84064993. The next prime is 84065041. The reversal of 84064994 is 49946048.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84064993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 743882 + ... + 743994.

It is an arithmetic number, because the mean of its divisors is an integer number (3004128).

Almost surely, 2^84064994 is an apocalyptic number.

84064994 is a deficient number, since it is larger than the sum of its proper divisors (60133150).

84064994 is a wasteful number, since it uses less digits than its factorization.

84064994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 84064994 is about 9168.6964177030. The cubic root of 84064994 is about 438.0648382291.

It can be divided in two parts, 84064 and 994, that added together give a palindrome (85058).

The spelling of 84064994 in words is "eighty-four million, sixty-four thousand, nine hundred ninety-four".