83386973 has 4 divisors (see below), whose sum is σ = 83428800. Its totient is φ = 83345148.

The previous prime is 83386903. The next prime is 83386999. The reversal of 83386973 is 37968338.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83386973 - 2¹² = 83382877 is a prime.

It is a super-2 number, since 2×83386973² = 13906774532205458, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83386903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17765 + ... + 21962.

It is an arithmetic number, because the mean of its divisors is an integer number (20857200).

Almost surely, 2^83386973 is an apocalyptic number.

It is an amenable number.

83386973 is a deficient number, since it is larger than the sum of its proper divisors (41827).

83386973 is a wasteful number, since it uses less digits than its factorization.

83386973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41826.

The product of its digits is 653184, while the sum is 47.

The square root of 83386973 is about 9131.6467846714. The cubic root of 83386973 is about 436.8839293974.

The spelling of 83386973 in words is "eighty-three million, three hundred eighty-six thousand, nine hundred seventy-three".