84040304 has 20 divisors (see below), whose sum is σ = 163534176. Its totient is φ = 41837952.

The previous prime is 84040303. The next prime is 84040331. The reversal of 84040304 is 40304048.

It is a self number, because there is not a number n which added to its sum of digits gives 84040304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84040303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7544 + ... + 14999.

Almost surely, 2^84040304 is an apocalyptic number.

It is an amenable number.

84040304 is a deficient number, since it is larger than the sum of its proper divisors (79493872).

84040304 is a wasteful number, since it uses less digits than its factorization.

84040304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22784 (or 22778 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 84040304 is about 9167.3498896900. The cubic root of 84040304 is about 438.0219472889.

The spelling of 84040304 in words is "eighty-four million, forty thousand, three hundred four".