83940307 has 8 divisors (see below), whose sum is σ = 92675520. Its totient is φ = 75389160.

The previous prime is 83940299. The next prime is 83940313. The reversal of 83940307 is 70304938.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83940307 - 2³ = 83940299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83940377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45057 + ... + 46882.

It is an arithmetic number, because the mean of its divisors is an integer number (11584440).

Almost surely, 2^83940307 is an apocalyptic number.

83940307 is a deficient number, since it is larger than the sum of its proper divisors (8735213).

83940307 is a wasteful number, since it uses less digits than its factorization.

83940307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92033.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 83940307 is about 9161.8942910296. The cubic root of 83940307 is about 437.8481486767.

The spelling of 83940307 in words is "eighty-three million, nine hundred forty thousand, three hundred seven".