84905946 has 48 divisors (see below), whose sum is σ = 194438400. Its totient is φ = 26702784.

The previous prime is 84905917. The next prime is 84905959. The reversal of 84905946 is 64950948.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139575 + ... + 140181.

It is an arithmetic number, because the mean of its divisors is an integer number (4050800).

Almost surely, 2^84905946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84905946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97219200).

84905946 is an abundant number, since it is smaller than the sum of its proper divisors (109532454).

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

84905946 is a wasteful number, since it uses less digits than its factorization.

84905946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043 (or 1040 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 84905946 is about 9214.4422511620. The cubic root of 84905946 is about 439.5207350427.

The spelling of 84905946 in words is "eighty-four million, nine hundred five thousand, nine hundred forty-six".