84933649 has 4 divisors (see below), whose sum is σ = 89929764. Its totient is φ = 79937536.

The previous prime is 84933647. The next prime is 84933661. The reversal of 84933649 is 94633948.

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 67125249 + 17808400 = 8193^2 + 4220^2 .

It is not a de Polignac number, because 84933649 - 2¹ = 84933647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84933599 and 84933608.

It is not an unprimeable number, because it can be changed into a prime (84933647) 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, 2498032 + ... + 2498065.

It is an arithmetic number, because the mean of its divisors is an integer number (22482441).

Almost surely, 2^84933649 is an apocalyptic number.

It is an amenable number.

84933649 is a deficient number, since it is larger than the sum of its proper divisors (4996115).

84933649 is a wasteful number, since it uses less digits than its factorization.

84933649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4996114.

The product of its digits is 559872, while the sum is 46.

The square root of 84933649 is about 9215.9453665915. The cubic root of 84933649 is about 439.5685319265.

The spelling of 84933649 in words is "eighty-four million, nine hundred thirty-three thousand, six hundred forty-nine".