84036331 has 2 divisors, whose sum is σ = 84036332. Its totient is φ = 84036330.

The previous prime is 84036317. The next prime is 84036341. The reversal of 84036331 is 13363048.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84036331 - 2⁵ = 84036299 is a prime.

It is a super-2 number, since 2×84036331² = 14124209855883122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84036331.

It is not a weakly prime, because it can be changed into another prime (84036301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42018165 + 42018166.

It is an arithmetic number, because the mean of its divisors is an integer number (42018166).

Almost surely, 2^84036331 is an apocalyptic number.

84036331 is a deficient number, since it is larger than the sum of its proper divisors (1).

84036331 is an equidigital number, since it uses as much as digits as its factorization.

84036331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 84036331 is about 9167.1331941889. The cubic root of 84036331 is about 438.0150446936.

Adding to 84036331 its reverse (13363048), we get a palindrome (97399379).

The spelling of 84036331 in words is "eighty-four million, thirty-six thousand, three hundred thirty-one".