84089646 has 12 divisors (see below), whose sum is σ = 182194272. Its totient is φ = 28029876.

The previous prime is 84089569. The next prime is 84089683. The reversal of 84089646 is 64698048.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2335806 + ... + 2335841.

It is an arithmetic number, because the mean of its divisors is an integer number (15182856).

Almost surely, 2^84089646 is an apocalyptic number.

84089646 is an abundant number, since it is smaller than the sum of its proper divisors (98104626).

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

84089646 is a wasteful number, since it uses less digits than its factorization.

84089646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4671655 (or 4671652 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 84089646 is about 9170.0406760276. The cubic root of 84089646 is about 438.1076547787.

The spelling of 84089646 in words is "eighty-four million, eighty-nine thousand, six hundred forty-six".