82638347 has 16 divisors (see below), whose sum is σ = 92565504. Its totient is φ = 73140000.

The previous prime is 82638323. The next prime is 82638383. The reversal of 82638347 is 74383628.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82638347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82638307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71222 + ... + 72372.

It is an arithmetic number, because the mean of its divisors is an integer number (5785344).

Almost surely, 2^82638347 is an apocalyptic number.

82638347 is a deficient number, since it is larger than the sum of its proper divisors (9927157).

82638347 is a wasteful number, since it uses less digits than its factorization.

82638347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330.

The product of its digits is 193536, while the sum is 41.

The square root of 82638347 is about 9090.5636238904. The cubic root of 82638347 is about 435.5725881159.

The spelling of 82638347 in words is "eighty-two million, six hundred thirty-eight thousand, three hundred forty-seven".