83583940 has 24 divisors (see below), whose sum is σ = 191483712. Its totient is φ = 30394080.

The previous prime is 83583937. The next prime is 83583947. The reversal of 83583940 is 4938538.

It is a junction number, because it is equal to n+sod(n) for n = 83583893 and 83583902.

It is not an unprimeable number, because it can be changed into a prime (83583947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189744 + ... + 190183.

It is an arithmetic number, because the mean of its divisors is an integer number (7978488).

Almost surely, 2^83583940 is an apocalyptic number.

It is an amenable number.

83583940 is an abundant number, since it is smaller than the sum of its proper divisors (107899772).

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

83583940 is a wasteful number, since it uses less digits than its factorization.

83583940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379947 (or 379945 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 83583940 is about 9142.4252799790. The cubic root of 83583940 is about 437.2276443640.

The spelling of 83583940 in words is "eighty-three million, five hundred eighty-three thousand, nine hundred forty".