83420368 has 10 divisors (see below), whose sum is σ = 161626994. Its totient is φ = 41710176.

The previous prime is 83420353. The next prime is 83420371. The reversal of 83420368 is 86302438.

It can be written as a sum of positive squares in only one way, i.e., 56670784 + 26749584 = 7528^2 + 5172^2 .

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 as a sum of consecutive naturals, namely, 2606871 + ... + 2606902.

Almost surely, 2^83420368 is an apocalyptic number.

It is an amenable number.

83420368 is a deficient number, since it is larger than the sum of its proper divisors (78206626).

83420368 is a wasteful number, since it uses less digits than its factorization.

83420368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5213781 (or 5213775 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 83420368 is about 9133.4751327192. The cubic root of 83420368 is about 436.9422430287.

The spelling of 83420368 in words is "eighty-three million, four hundred twenty thousand, three hundred sixty-eight".