83628140 has 24 divisors (see below), whose sum is σ = 180367152. Its totient is φ = 32546880.

The previous prime is 83628119. The next prime is 83628169. The reversal of 83628140 is 4182638.

It is a junction number, because it is equal to n+sod(n) for n = 83628097 and 83628106.

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, 55766 + ... + 57245.

It is an arithmetic number, because the mean of its divisors is an integer number (7515298).

Almost surely, 2^83628140 is an apocalyptic number.

It is an amenable number.

83628140 is an abundant number, since it is smaller than the sum of its proper divisors (96739012).

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

83628140 is a wasteful number, since it uses less digits than its factorization.

83628140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113057 (or 113055 counting only the distinct ones).

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

The square root of 83628140 is about 9144.8422621716. The cubic root of 83628140 is about 437.3047008590.

The spelling of 83628140 in words is "eighty-three million, six hundred twenty-eight thousand, one hundred forty".