84234907 has 2 divisors, whose sum is σ = 84234908. Its totient is φ = 84234906.

The previous prime is 84234889. The next prime is 84234959. The reversal of 84234907 is 70943248.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84234907 is a prime.

It is not a weakly prime, because it can be changed into another prime (84234307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42117453 + 42117454.

It is an arithmetic number, because the mean of its divisors is an integer number (42117454).

Almost surely, 2^84234907 is an apocalyptic number.

84234907 is a deficient number, since it is larger than the sum of its proper divisors (1).

84234907 is an equidigital number, since it uses as much as digits as its factorization.

84234907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 84234907 is about 9177.9576704188. The cubic root of 84234907 is about 438.3597799378.

The spelling of 84234907 in words is "eighty-four million, two hundred thirty-four thousand, nine hundred seven".