83056340 has 24 divisors (see below), whose sum is σ = 176149512. Its totient is φ = 32892800.

The previous prime is 83056333. The next prime is 83056343. The reversal of 83056340 is 4365038.

It can be written as a sum of positive squares in 4 ways, for example, as 35473936 + 47582404 = 5956^2 + 6898^2 .

It is a super-2 number, since 2×83056340² = 13796711228391200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83056343) 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, 18539 + ... + 22578.

It is an arithmetic number, because the mean of its divisors is an integer number (7339563).

Almost surely, 2^83056340 is an apocalyptic number.

It is an amenable number.

83056340 is an abundant number, since it is smaller than the sum of its proper divisors (93093172).

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

83056340 is a wasteful number, since it uses less digits than its factorization.

83056340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41227 (or 41225 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 83056340 is about 9113.5251138075. The cubic root of 83056340 is about 436.3057432402.

The spelling of 83056340 in words is "eighty-three million, fifty-six thousand, three hundred forty".