84347741 has 2 divisors, whose sum is σ = 84347742. Its totient is φ = 84347740.

The previous prime is 84347729. The next prime is 84347789. The reversal of 84347741 is 14774348.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64802500 + 19545241 = 8050^2 + 4421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84347741 is a prime.

It is a super-2 number, since 2×84347741² = 14229082823606162, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 84347695 and 84347704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84347041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42173870 + 42173871.

It is an arithmetic number, because the mean of its divisors is an integer number (42173871).

Almost surely, 2^84347741 is an apocalyptic number.

It is an amenable number.

84347741 is a deficient number, since it is larger than the sum of its proper divisors (1).

84347741 is an equidigital number, since it uses as much as digits as its factorization.

84347741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75264, while the sum is 38.

The square root of 84347741 is about 9184.1026235556. The cubic root of 84347741 is about 438.5554225781. Note that the first 3 decimals are identical.

It can be divided in two parts, 843 and 47741, that added together give a palindrome (48584).

The spelling of 84347741 in words is "eighty-four million, three hundred forty-seven thousand, seven hundred forty-one".