83940263 has 8 divisors (see below), whose sum is σ = 91775376. Its totient is φ = 76139200.

The previous prime is 83940251. The next prime is 83940277. The reversal of 83940263 is 36204938.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 83940263 - 2¹⁶ = 83874727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83940163) 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, 3206 + ... + 13347.

It is an arithmetic number, because the mean of its divisors is an integer number (11471922).

Almost surely, 2^83940263 is an apocalyptic number.

83940263 is a deficient number, since it is larger than the sum of its proper divisors (7835113).

83940263 is a wasteful number, since it uses less digits than its factorization.

83940263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17025.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 83940263 is about 9161.8918897791. The cubic root of 83940263 is about 437.8480721727.

The spelling of 83940263 in words is "eighty-three million, nine hundred forty thousand, two hundred sixty-three".