83633838 has 16 divisors (see below), whose sum is σ = 171788880. Its totient is φ = 27124416.

The previous prime is 83633827. The next prime is 83633843. The reversal of 83633838 is 83833638.

It is a super-2 number, since 2×83633838² = 13989237717220488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83633838.

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, 188143 + ... + 188586.

It is an arithmetic number, because the mean of its divisors is an integer number (10736805).

Almost surely, 2^83633838 is an apocalyptic number.

83633838 is an abundant number, since it is smaller than the sum of its proper divisors (88155042).

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

83633838 is a wasteful number, since it uses less digits than its factorization.

83633838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376771.

The product of its digits is 248832, while the sum is 42.

The square root of 83633838 is about 9145.1537985974. The cubic root of 83633838 is about 437.3146325463.

The spelling of 83633838 in words is "eighty-three million, six hundred thirty-three thousand, eight hundred thirty-eight".