84104893 has 2 divisors, whose sum is σ = 84104894. Its totient is φ = 84104892.

The previous prime is 84104873. The next prime is 84104897. The reversal of 84104893 is 39840148.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75116889 + 8988004 = 8667^2 + 2998^2 .

It is a cyclic number.

It is not a de Polignac number, because 84104893 - 2⁹ = 84104381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84104897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42052446 + 42052447.

It is an arithmetic number, because the mean of its divisors is an integer number (42052447).

Almost surely, 2^84104893 is an apocalyptic number.

It is an amenable number.

84104893 is a deficient number, since it is larger than the sum of its proper divisors (1).

84104893 is an equidigital number, since it uses as much as digits as its factorization.

84104893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 84104893 is about 9170.8719868942. The cubic root of 84104893 is about 438.1341321713.

The spelling of 84104893 in words is "eighty-four million, one hundred four thousand, eight hundred ninety-three".