84238967 has 2 divisors, whose sum is σ = 84238968. Its totient is φ = 84238966.

The previous prime is 84238963. The next prime is 84238981. The reversal of 84238967 is 76983248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84238967 - 2² = 84238963 is a prime.

It is a super-3 number, since 3×84238967³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84238963) 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, 42119483 + 42119484.

It is an arithmetic number, because the mean of its divisors is an integer number (42119484).

Almost surely, 2^84238967 is an apocalyptic number.

84238967 is a deficient number, since it is larger than the sum of its proper divisors (1).

84238967 is an equidigital number, since it uses as much as digits as its factorization.

84238967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 47.

The square root of 84238967 is about 9178.1788498591. The cubic root of 84238967 is about 438.3668225926.

The spelling of 84238967 in words is "eighty-four million, two hundred thirty-eight thousand, nine hundred sixty-seven".