84651841 has 16 divisors (see below), whose sum is σ = 90201600. Its totient is φ = 79309888.

The previous prime is 84651829. The next prime is 84651877. The reversal of 84651841 is 14815648.

It is a cyclic number.

It is not a de Polignac number, because 84651841 - 2¹¹ = 84649793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84651841.

It is not an unprimeable number, because it can be changed into a prime (84651811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235620 + ... + 235978.

It is an arithmetic number, because the mean of its divisors is an integer number (5637600).

Almost surely, 2^84651841 is an apocalyptic number.

It is an amenable number.

84651841 is a deficient number, since it is larger than the sum of its proper divisors (5549759).

84651841 is a wasteful number, since it uses less digits than its factorization.

84651841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608.

The product of its digits is 30720, while the sum is 37.

The square root of 84651841 is about 9200.6435101030. The cubic root of 84651841 is about 439.0818336349.

The spelling of 84651841 in words is "eighty-four million, six hundred fifty-one thousand, eight hundred forty-one".