82347397 has 12 divisors (see below), whose sum is σ = 91133728. Its totient is φ = 74349000.

The previous prime is 82347373. The next prime is 82347401. The reversal of 82347397 is 79374328.

It is not a de Polignac number, because 82347397 - 2¹¹ = 82345349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82327397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16018 + ... + 20524.

Almost surely, 2^82347397 is an apocalyptic number.

It is an amenable number.

82347397 is a deficient number, since it is larger than the sum of its proper divisors (8786331).

82347397 is a wasteful number, since it uses less digits than its factorization.

82347397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4680 (or 4669 counting only the distinct ones).

The product of its digits is 254016, while the sum is 43.

The square root of 82347397 is about 9074.5466553432. The cubic root of 82347397 is about 435.0608044655.

The spelling of 82347397 in words is "eighty-two million, three hundred forty-seven thousand, three hundred ninety-seven".