84516641 has 8 divisors (see below), whose sum is σ = 92767584. Its totient is φ = 76360320.

The previous prime is 84516637. The next prime is 84516647. The reversal of 84516641 is 14661548.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84516641 - 2² = 84516637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84516647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21776 + ... + 25361.

It is an arithmetic number, because the mean of its divisors is an integer number (11595948).

Almost surely, 2^84516641 is an apocalyptic number.

It is an amenable number.

84516641 is a deficient number, since it is larger than the sum of its proper divisors (8250943).

84516641 is a wasteful number, since it uses less digits than its factorization.

84516641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47311.

The product of its digits is 23040, while the sum is 35.

The square root of 84516641 is about 9193.2932619383. The cubic root of 84516641 is about 438.8479521456.

The spelling of 84516641 in words is "eighty-four million, five hundred sixteen thousand, six hundred forty-one".