84591433 has 2 divisors, whose sum is σ = 84591434. Its totient is φ = 84591432.

The previous prime is 84591391. The next prime is 84591457. The reversal of 84591433 is 33419548.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71436304 + 13155129 = 8452^2 + 3627^2 .

It is a cyclic number.

It is not a de Polignac number, because 84591433 - 2¹⁷ = 84460361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84591392 and 84591401.

It is not a weakly prime, because it can be changed into another prime (84591833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42295716 + 42295717.

It is an arithmetic number, because the mean of its divisors is an integer number (42295717).

Almost surely, 2^84591433 is an apocalyptic number.

It is an amenable number.

84591433 is a deficient number, since it is larger than the sum of its proper divisors (1).

84591433 is an equidigital number, since it uses as much as digits as its factorization.

84591433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 37.

The square root of 84591433 is about 9197.3601103795. The cubic root of 84591433 is about 438.9773650774.

The spelling of 84591433 in words is "eighty-four million, five hundred ninety-one thousand, four hundred thirty-three".