84938739 has 8 divisors (see below), whose sum is σ = 113498112. Its totient is φ = 56502600.

The previous prime is 84938723. The next prime is 84938753. The reversal of 84938739 is 93783948.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84938739 - 2⁴ = 84938723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84938691 and 84938700.

It is not an unprimeable number, because it can be changed into a prime (84938719) 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 in 7 ways as a sum of consecutive naturals, for example, 29187 + ... + 31964.

It is an arithmetic number, because the mean of its divisors is an integer number (14187264).

Almost surely, 2^84938739 is an apocalyptic number.

84938739 is a deficient number, since it is larger than the sum of its proper divisors (28559373).

84938739 is a wasteful number, since it uses less digits than its factorization.

84938739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61617.

The product of its digits is 1306368, while the sum is 51.

The square root of 84938739 is about 9216.2215142649. The cubic root of 84938739 is about 439.5773127382.

The spelling of 84938739 in words is "eighty-four million, nine hundred thirty-eight thousand, seven hundred thirty-nine".