84934661 has 4 divisors (see below), whose sum is σ = 97068192. Its totient is φ = 72801132.

The previous prime is 84934621. The next prime is 84934757. The reversal of 84934661 is 16643948.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84934661 - 2¹⁰ = 84933637 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 (84934621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6066755 + ... + 6066768.

It is an arithmetic number, because the mean of its divisors is an integer number (24267048).

Almost surely, 2^84934661 is an apocalyptic number.

It is an amenable number.

84934661 is a deficient number, since it is larger than the sum of its proper divisors (12133531).

84934661 is a wasteful number, since it uses less digits than its factorization.

84934661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12133530.

The product of its digits is 124416, while the sum is 41.

The square root of 84934661 is about 9216.0002712674. Note that the first 3 decimals coincide. The cubic root of 84934661 is about 439.5702777661.

The spelling of 84934661 in words is "eighty-four million, nine hundred thirty-four thousand, six hundred sixty-one".