84905112 has 16 divisors (see below), whose sum is σ = 212262840. Its totient is φ = 28301696.

The previous prime is 84905111. The next prime is 84905131. The reversal of 84905112 is 21150948.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 84905112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84905111) 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, 1768833 + ... + 1768880.

Almost surely, 2^84905112 is an apocalyptic number.

It is an amenable number.

84905112 is an abundant number, since it is smaller than the sum of its proper divisors (127357728).

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

84905112 is a wasteful number, since it uses less digits than its factorization.

84905112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3537722 (or 3537718 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 84905112 is about 9214.3969960058. The cubic root of 84905112 is about 439.5192959543.

The spelling of 84905112 in words is "eighty-four million, nine hundred five thousand, one hundred twelve".