83259240 has 32 divisors (see below), whose sum is σ = 249778080. Its totient is φ = 22202432.

The previous prime is 83259181. The next prime is 83259247. The reversal of 83259240 is 4295238.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (83259247) 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, 346794 + ... + 347033.

It is an arithmetic number, because the mean of its divisors is an integer number (7805565).

Almost surely, 2^83259240 is an apocalyptic number.

It is an amenable number.

83259240 is an abundant number, since it is smaller than the sum of its proper divisors (166518840).

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

83259240 is a wasteful number, since it uses less digits than its factorization.

83259240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693841 (or 693837 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 83259240 is about 9124.6501302790. The cubic root of 83259240 is about 436.6607410056.

The spelling of 83259240 in words is "eighty-three million, two hundred fifty-nine thousand, two hundred forty".