84634311 has 4 divisors (see below), whose sum is σ = 112845752. Its totient is φ = 56422872.

The previous prime is 84634307. The next prime is 84634331. The reversal of 84634311 is 11343648.

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

It is not a de Polignac number, because 84634311 - 2² = 84634307 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 (84634301) 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, 14105716 + ... + 14105721.

It is an arithmetic number, because the mean of its divisors is an integer number (28211438).

Almost surely, 2^84634311 is an apocalyptic number.

84634311 is a deficient number, since it is larger than the sum of its proper divisors (28211441).

84634311 is a wasteful number, since it uses less digits than its factorization.

84634311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28211440.

The product of its digits is 6912, while the sum is 30.

The square root of 84634311 is about 9199.6908100218. The cubic root of 84634311 is about 439.0515226740.

Adding to 84634311 its reverse (11343648), we get a palindrome (95977959).

The spelling of 84634311 in words is "eighty-four million, six hundred thirty-four thousand, three hundred eleven".