84949685 has 4 divisors (see below), whose sum is σ = 101939628. Its totient is φ = 67959744.

The previous prime is 84949651. The next prime is 84949687. The reversal of 84949685 is 58694948.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12376324 + 72573361 = 3518^2 + 8519^2 .

It is a cyclic number.

It is not a de Polignac number, because 84949685 - 2¹⁴ = 84933301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84949687) 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, 8494964 + ... + 8494973.

It is an arithmetic number, because the mean of its divisors is an integer number (25484907).

Almost surely, 2^84949685 is an apocalyptic number.

It is an amenable number.

84949685 is a deficient number, since it is larger than the sum of its proper divisors (16989943).

84949685 is a wasteful number, since it uses less digits than its factorization.

84949685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16989942.

The product of its digits is 2488320, while the sum is 53.

The square root of 84949685 is about 9216.8153393675. The cubic root of 84949685 is about 439.5961946078.

The spelling of 84949685 in words is "eighty-four million, nine hundred forty-nine thousand, six hundred eighty-five".