83297340 has 72 divisors (see below), whose sum is σ = 288768480. Its totient is φ = 19039104.

The previous prime is 83297339. The next prime is 83297351. The reversal of 83297340 is 4379238.

83297340 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

83297340 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 83297295 and 83297304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31795 + ... + 34314.

Almost surely, 2^83297340 is an apocalyptic number.

It is an amenable number.

83297340 is an abundant number, since it is smaller than the sum of its proper divisors (205471140).

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

83297340 is a wasteful number, since it uses less digits than its factorization.

83297340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66131 (or 66126 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 83297340 is about 9126.7376427725. The cubic root of 83297340 is about 436.7273371663.

The spelling of 83297340 in words is "eighty-three million, two hundred ninety-seven thousand, three hundred forty".