83938011 has 4 divisors (see below), whose sum is σ = 111917352. Its totient is φ = 55958672.

The previous prime is 83938007. The next prime is 83938033. The reversal of 83938011 is 11083938.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83938011 - 2² = 83938007 is a prime.

It is a super-2 number, since 2×83938011² = 14091179381272242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83938081) 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, 13989666 + ... + 13989671.

It is an arithmetic number, because the mean of its divisors is an integer number (27979338).

Almost surely, 2^83938011 is an apocalyptic number.

83938011 is a deficient number, since it is larger than the sum of its proper divisors (27979341).

83938011 is a wasteful number, since it uses less digits than its factorization.

83938011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27979340.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 83938011 is about 9161.7689885742. The cubic root of 83938011 is about 437.8441565203.

The spelling of 83938011 in words is "eighty-three million, nine hundred thirty-eight thousand, eleven".