84912102 has 48 divisors (see below), whose sum is σ = 211273920. Its totient is φ = 24375600.

The previous prime is 84912053. The next prime is 84912103. The reversal of 84912102 is 20121948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84912103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7524 + ... + 15047.

It is an arithmetic number, because the mean of its divisors is an integer number (4401540).

Almost surely, 2^84912102 is an apocalyptic number.

84912102 is the 7524-th pentagonal number.

84912102 is an abundant number, since it is smaller than the sum of its proper divisors (126361818).

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

84912102 is a wasteful number, since it uses less digits than its factorization.

84912102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22609 (or 22606 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 84912102 is about 9214.7762859442. The cubic root of 84912102 is about 439.5313570874.

The spelling of 84912102 in words is "eighty-four million, nine hundred twelve thousand, one hundred two".