83257386 has 16 divisors (see below), whose sum is σ = 167714400. Its totient is φ = 27552528.

The previous prime is 83257379. The next prime is 83257387. The reversal of 83257386 is 68375238.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83257387) 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, 49081 + ... + 50748.

It is an arithmetic number, because the mean of its divisors is an integer number (10482150).

Almost surely, 2^83257386 is an apocalyptic number.

83257386 is an abundant number, since it is smaller than the sum of its proper divisors (84457014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83257386 is a wasteful number, since it uses less digits than its factorization.

83257386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99973.

The product of its digits is 241920, while the sum is 42.

The square root of 83257386 is about 9124.5485367770. The cubic root of 83257386 is about 436.6574998238.

The spelling of 83257386 in words is "eighty-three million, two hundred fifty-seven thousand, three hundred eighty-six".