84004776 has 80 divisors (see below), whose sum is σ = 247711200. Its totient is φ = 26523936.

The previous prime is 84004759. The next prime is 84004787. The reversal of 84004776 is 67740048.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 84004776.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8901 + ... + 15723.

It is an arithmetic number, because the mean of its divisors is an integer number (3096390).

Almost surely, 2^84004776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84004776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123855600).

84004776 is an abundant number, since it is smaller than the sum of its proper divisors (163706424).

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

84004776 is a wasteful number, since it uses less digits than its factorization.

84004776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6860 (or 6847 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 84004776 is about 9165.4119383692. The cubic root of 84004776 is about 437.9602140630.

The spelling of 84004776 in words is "eighty-four million, four thousand, seven hundred seventy-six".