83641208 has 32 divisors (see below), whose sum is σ = 182619360. Its totient is φ = 35168640.

The previous prime is 83641183. The next prime is 83641213. The reversal of 83641208 is 80214638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11123 + ... + 17058.

It is an arithmetic number, because the mean of its divisors is an integer number (5706855).

Almost surely, 2^83641208 is an apocalyptic number.

It is an amenable number.

83641208 is an abundant number, since it is smaller than the sum of its proper divisors (98978152).

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

83641208 is a wasteful number, since it uses less digits than its factorization.

83641208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28247 (or 28243 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 83641208 is about 9145.5567353770. The cubic root of 83641208 is about 437.3274778820.

The spelling of 83641208 in words is "eighty-three million, six hundred forty-one thousand, two hundred eight".