83305340 has 12 divisors (see below), whose sum is σ = 174941256. Its totient is φ = 33322128.

The previous prime is 83305309. The next prime is 83305361. The reversal of 83305340 is 4350338.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2082614 + ... + 2082653.

It is an arithmetic number, because the mean of its divisors is an integer number (14578438).

Almost surely, 2^83305340 is an apocalyptic number.

It is an amenable number.

83305340 is an abundant number, since it is smaller than the sum of its proper divisors (91635916).

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

83305340 is a wasteful number, since it uses less digits than its factorization.

83305340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165276 (or 4165274 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 83305340 is about 9127.1759049555. The cubic root of 83305340 is about 436.7413180324.

Adding to 83305340 its reverse (4350338), we get a palindrome (87655678).

The spelling of 83305340 in words is "eighty-three million, three hundred five thousand, three hundred forty".