84049873 has 2 divisors, whose sum is σ = 84049874. Its totient is φ = 84049872.

The previous prime is 84049841. The next prime is 84049919. The reversal of 84049873 is 37894048.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44195904 + 39853969 = 6648^2 + 6313^2 .

It is a cyclic number.

It is not a de Polignac number, because 84049873 - 2⁵ = 84049841 is a prime.

It is a super-2 number, since 2×84049873² = 14128762302632258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84049813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42024936 + 42024937.

It is an arithmetic number, because the mean of its divisors is an integer number (42024937).

Almost surely, 2^84049873 is an apocalyptic number.

It is an amenable number.

84049873 is a deficient number, since it is larger than the sum of its proper divisors (1).

84049873 is an equidigital number, since it uses as much as digits as its factorization.

84049873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 84049873 is about 9167.8717813896. The cubic root of 84049873 is about 438.0385713480.

The spelling of 84049873 in words is "eighty-four million, forty-nine thousand, eight hundred seventy-three".