83801418 has 16 divisors (see below), whose sum is σ = 169231296. Its totient is φ = 27662400.

The previous prime is 83801369. The next prime is 83801429. The reversal of 83801418 is 81410838.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67183 + ... + 68418.

It is an arithmetic number, because the mean of its divisors is an integer number (10576956).

Almost surely, 2^83801418 is an apocalyptic number.

83801418 is an abundant number, since it is smaller than the sum of its proper divisors (85429878).

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

83801418 is a wasteful number, since it uses less digits than its factorization.

83801418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135709.

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 83801418 is about 9154.3114432490. The cubic root of 83801418 is about 437.6065251353.

The spelling of 83801418 in words is "eighty-three million, eight hundred one thousand, four hundred eighteen".