83628938 has 8 divisors (see below), whose sum is σ = 126736932. Its totient is φ = 41383296.

The previous prime is 83628929. The next prime is 83628977. The reversal of 83628938 is 83982638.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 83046769 + 582169 = 9113^2 + 763^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 83628892 and 83628901.

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 in 3 ways as a sum of consecutive naturals, for example, 215345 + ... + 215732.

Almost surely, 2^83628938 is an apocalyptic number.

83628938 is a deficient number, since it is larger than the sum of its proper divisors (43107994).

83628938 is a wasteful number, since it uses less digits than its factorization.

83628938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431176.

The product of its digits is 497664, while the sum is 47.

The square root of 83628938 is about 9144.8858932192. The cubic root of 83628938 is about 437.3060918105.

The spelling of 83628938 in words is "eighty-three million, six hundred twenty-eight thousand, nine hundred thirty-eight".