84338731 has 2 divisors, whose sum is σ = 84338732. Its totient is φ = 84338730.

The previous prime is 84338719. The next prime is 84338743. The reversal of 84338731 is 13783348.

It is a balanced prime because it is at equal distance from previous prime (84338719) and next prime (84338743).

It is a cyclic number.

It is not a de Polignac number, because 84338731 - 2⁷ = 84338603 is a prime.

It is a super-2 number, since 2×84338731² = 14226043093380722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84338831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42169365 + 42169366.

It is an arithmetic number, because the mean of its divisors is an integer number (42169366).

Almost surely, 2^84338731 is an apocalyptic number.

84338731 is a deficient number, since it is larger than the sum of its proper divisors (1).

84338731 is an equidigital number, since it uses as much as digits as its factorization.

84338731 is an evil number, because the sum of its binary digits is even.

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

The square root of 84338731 is about 9183.6120889332. The cubic root of 84338731 is about 438.5398065698.

The spelling of 84338731 in words is "eighty-four million, three hundred thirty-eight thousand, seven hundred thirty-one".