84408601 has 2 divisors, whose sum is σ = 84408602. Its totient is φ = 84408600.

The previous prime is 84408559. The next prime is 84408607. The reversal of 84408601 is 10680448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54169600 + 30239001 = 7360^2 + 5499^2 .

It is a cyclic number.

It is not a de Polignac number, because 84408601 - 2¹⁵ = 84375833 is a prime.

It is not a weakly prime, because it can be changed into another prime (84408607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42204300 + 42204301.

It is an arithmetic number, because the mean of its divisors is an integer number (42204301).

Almost surely, 2^84408601 is an apocalyptic number.

It is an amenable number.

84408601 is a deficient number, since it is larger than the sum of its proper divisors (1).

84408601 is an equidigital number, since it uses as much as digits as its factorization.

84408601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 84408601 is about 9187.4153601543. The cubic root of 84408601 is about 438.6608751798.

The spelling of 84408601 in words is "eighty-four million, four hundred eight thousand, six hundred one".