83340918 has 12 divisors (see below), whose sum is σ = 180572028. Its totient is φ = 27780300.

The previous prime is 83340913. The next prime is 83340949. The reversal of 83340918 is 81904338.

It is a super-2 number, since 2×83340918² = 13891417226165448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83340913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2315008 + ... + 2315043.

It is an arithmetic number, because the mean of its divisors is an integer number (15047669).

Almost surely, 2^83340918 is an apocalyptic number.

83340918 is an abundant number, since it is smaller than the sum of its proper divisors (97231110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83340918 is a wasteful number, since it uses less digits than its factorization.

83340918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4630059 (or 4630056 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 83340918 is about 9129.1247116030. The cubic root of 83340918 is about 436.8034835994.

The spelling of 83340918 in words is "eighty-three million, three hundred forty thousand, nine hundred eighteen".