83861933 has 16 divisors (see below), whose sum is σ = 90550656. Its totient is φ = 77468160.

The previous prime is 83861891. The next prime is 83862001. The reversal of 83861933 is 33916838.

It is a cyclic number.

It is not a de Polignac number, because 83861933 - 2¹⁶ = 83796397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83861333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106166 + ... + 106952.

It is an arithmetic number, because the mean of its divisors is an integer number (5659416).

Almost surely, 2^83861933 is an apocalyptic number.

It is an amenable number.

83861933 is a deficient number, since it is larger than the sum of its proper divisors (6688723).

83861933 is a wasteful number, since it uses less digits than its factorization.

83861933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964.

The product of its digits is 93312, while the sum is 41.

The square root of 83861933 is about 9157.6161199299. The cubic root of 83861933 is about 437.7118351555.

The spelling of 83861933 in words is "eighty-three million, eight hundred sixty-one thousand, nine hundred thirty-three".