84946389 has 16 divisors (see below), whose sum is σ = 123716160. Its totient is φ = 51416960.

The previous prime is 84946369. The next prime is 84946391. The reversal of 84946389 is 98364948.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 84946389 - 2⁵ = 84946357 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84946349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41539 + ... + 43535.

It is an arithmetic number, because the mean of its divisors is an integer number (7732260).

Almost surely, 2^84946389 is an apocalyptic number.

It is an amenable number.

84946389 is a deficient number, since it is larger than the sum of its proper divisors (38769771).

84946389 is a wasteful number, since it uses less digits than its factorization.

84946389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300.

The product of its digits is 1492992, while the sum is 51.

The square root of 84946389 is about 9216.6365340074. The cubic root of 84946389 is about 439.5905091726.

The spelling of 84946389 in words is "eighty-four million, nine hundred forty-six thousand, three hundred eighty-nine".