84489733 has 2 divisors, whose sum is σ = 84489734. Its totient is φ = 84489732.

The previous prime is 84489719. The next prime is 84489737. The reversal of 84489733 is 33798448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59259204 + 25230529 = 7698^2 + 5023^2 .

It is a cyclic number.

It is not a de Polignac number, because 84489733 - 2⁵ = 84489701 is a prime.

It is a super-2 number, since 2×84489733² = 14277029964822578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84489737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42244866 + 42244867.

It is an arithmetic number, because the mean of its divisors is an integer number (42244867).

Almost surely, 2^84489733 is an apocalyptic number.

It is an amenable number.

84489733 is a deficient number, since it is larger than the sum of its proper divisors (1).

84489733 is an equidigital number, since it uses as much as digits as its factorization.

84489733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 46.

The square root of 84489733 is about 9191.8296872821. The cubic root of 84489733 is about 438.8013744384.

It can be divided in two parts, 8448 and 9733, that added together give a palindrome (18181).

The spelling of 84489733 in words is "eighty-four million, four hundred eighty-nine thousand, seven hundred thirty-three".