940871617 has 8 divisors (see below), whose sum is σ = 1075467456. Its totient is φ = 806322192.

The previous prime is 940871611. The next prime is 940871629. The reversal of 940871617 is 716178049.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-940871617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (940871611) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 72498 + ... + 84484.

It is an arithmetic number, because the mean of its divisors is an integer number (134433432).

Almost surely, 2^940871617 is an apocalyptic number.

It is an amenable number.

940871617 is a deficient number, since it is larger than the sum of its proper divisors (134595839).

940871617 is a wasteful number, since it uses less digits than its factorization.

940871617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23207.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 940871617 is about 30673.6306458821. The cubic root of 940871617 is about 979.8887896155. Note that the first 3 decimals are identical.

The spelling of 940871617 in words is "nine hundred forty million, eight hundred seventy-one thousand, six hundred seventeen".