83299266 has 40 divisors (see below), whose sum is σ = 187830720. Its totient is φ = 27591192.

The previous prime is 83299243. The next prime is 83299289. The reversal of 83299266 is 66299238.

It is an interprime number because it is at equal distance from previous prime (83299243) and next prime (83299289).

It is a super-2 number, since 2×83299266² = 13877535432277512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25515 + ... + 28593.

It is an arithmetic number, because the mean of its divisors is an integer number (4695768).

Almost surely, 2^83299266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83299266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93915360).

83299266 is an abundant number, since it is smaller than the sum of its proper divisors (104531454).

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

83299266 is a wasteful number, since it uses less digits than its factorization.

83299266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260 (or 3251 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 83299266 is about 9126.8431563164. The cubic root of 83299266 is about 436.7307031416.

The spelling of 83299266 in words is "eighty-three million, two hundred ninety-nine thousand, two hundred sixty-six".