83863393 has 4 divisors (see below), whose sum is σ = 84043440. Its totient is φ = 83683348.

The previous prime is 83863391. The next prime is 83863399. The reversal of 83863393 is 39336838.

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 83863393 - 2¹ = 83863391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83863391) 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 3 ways as a sum of consecutive naturals, for example, 89323 + ... + 90256.

It is an arithmetic number, because the mean of its divisors is an integer number (21010860).

Almost surely, 2^83863393 is an apocalyptic number.

It is an amenable number.

83863393 is a deficient number, since it is larger than the sum of its proper divisors (180047).

83863393 is a wasteful number, since it uses less digits than its factorization.

83863393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180046.

The product of its digits is 279936, while the sum is 43.

The square root of 83863393 is about 9157.6958346519. The cubic root of 83863393 is about 437.7143752654.

The spelling of 83863393 in words is "eighty-three million, eight hundred sixty-three thousand, three hundred ninety-three".