84654841 has 2 divisors, whose sum is σ = 84654842. Its totient is φ = 84654840.

The previous prime is 84654821. The next prime is 84654847. The reversal of 84654841 is 14845648.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84107241 + 547600 = 9171^2 + 740^2 .

It is a cyclic number.

It is not a de Polignac number, because 84654841 - 2²⁵ = 51100409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84654794 and 84654803.

It is not a weakly prime, because it can be changed into another prime (84654847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42327420 + 42327421.

It is an arithmetic number, because the mean of its divisors is an integer number (42327421).

Almost surely, 2^84654841 is an apocalyptic number.

It is an amenable number.

84654841 is a deficient number, since it is larger than the sum of its proper divisors (1).

84654841 is an equidigital number, since it uses as much as digits as its factorization.

84654841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122880, while the sum is 40.

The square root of 84654841 is about 9200.8065407333. The cubic root of 84654841 is about 439.0870204878.

The spelling of 84654841 in words is "eighty-four million, six hundred fifty-four thousand, eight hundred forty-one".