84689946 has 24 divisors (see below), whose sum is σ = 200176704. Its totient is φ = 25663560.

The previous prime is 84689921. The next prime is 84689953. The reversal of 84689946 is 64998648.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 84689892 and 84689901.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213666 + ... + 214061.

It is an arithmetic number, because the mean of its divisors is an integer number (8340696).

Almost surely, 2^84689946 is an apocalyptic number.

84689946 is an abundant number, since it is smaller than the sum of its proper divisors (115486758).

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

84689946 is a wasteful number, since it uses less digits than its factorization.

84689946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427746 (or 427743 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 84689946 is about 9202.7140561902. The cubic root of 84689946 is about 439.1477062068.

The spelling of 84689946 in words is "eighty-four million, six hundred eighty-nine thousand, nine hundred forty-six".