83495040 has 64 divisors (see below), whose sum is σ = 266146560. Its totient is φ = 22264832.

The previous prime is 83495039. The next prime is 83495047. The reversal of 83495040 is 4059438.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 83494992 and 83495010.

It is not an unprimeable number, because it can be changed into a prime (83495047) 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, 19824 + ... + 23663.

It is an arithmetic number, because the mean of its divisors is an integer number (4158540).

Almost surely, 2^83495040 is an apocalyptic number.

83495040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

83495040 is an abundant number, since it is smaller than the sum of its proper divisors (182651520).

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

83495040 is a wasteful number, since it uses less digits than its factorization.

83495040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43509 (or 43497 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 83495040 is about 9137.5620380931. The cubic root of 83495040 is about 437.0725773886.

The spelling of 83495040 in words is "eighty-three million, four hundred ninety-five thousand, forty".