84894894 has 24 divisors (see below), whose sum is σ = 210216240. Its totient is φ = 24255648.

The previous prime is 84894893. The next prime is 84894899. The reversal of 84894894 is 49849848.

84894894 is a `hidden beast` number, since 84 + 89 + 489 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 84894894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84894893) 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, 336759 + ... + 337010.

It is an arithmetic number, because the mean of its divisors is an integer number (8759010).

Almost surely, 2^84894894 is an apocalyptic number.

84894894 is an abundant number, since it is smaller than the sum of its proper divisors (125321346).

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

84894894 is a wasteful number, since it uses less digits than its factorization.

84894894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673784 (or 673781 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The square root of 84894894 is about 9213.8425209030. The cubic root of 84894894 is about 439.5016637677.

The spelling of 84894894 in words is "eighty-four million, eight hundred ninety-four thousand, eight hundred ninety-four".