83929818 has 16 divisors (see below), whose sum is σ = 191839680. Its totient is φ = 23979936.

The previous prime is 83929789. The next prime is 83929861. The reversal of 83929818 is 81892938.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999123 + ... + 999206.

It is an arithmetic number, because the mean of its divisors is an integer number (11989980).

Almost surely, 2^83929818 is an apocalyptic number.

83929818 is an abundant number, since it is smaller than the sum of its proper divisors (107909862).

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

83929818 is a wasteful number, since it uses less digits than its factorization.

83929818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998341.

The product of its digits is 248832, while the sum is 48.

The square root of 83929818 is about 9161.3218478558. The cubic root of 83929818 is about 437.8299103964.

The spelling of 83929818 in words is "eighty-three million, nine hundred twenty-nine thousand, eight hundred eighteen".