83908838 has 36 divisors (see below), whose sum is σ = 144946980. Its totient is φ = 36406656.

The previous prime is 83908819. The next prime is 83908897. The reversal of 83908838 is 83880938.

It is a junction number, because it is equal to n+sod(n) for n = 83908792 and 83908801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 97253 + ... + 98111.

It is an arithmetic number, because the mean of its divisors is an integer number (4026305).

Almost surely, 2^83908838 is an apocalyptic number.

83908838 is a deficient number, since it is larger than the sum of its proper divisors (61038142).

83908838 is a wasteful number, since it uses less digits than its factorization.

83908838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 83908838 is about 9160.1767450197. The cubic root of 83908838 is about 437.7934257984.

The spelling of 83908838 in words is "eighty-three million, nine hundred eight thousand, eight hundred thirty-eight".