940247817 has 8 divisors (see below), whose sum is σ = 1271321280. Its totient is φ = 618003120.

The previous prime is 940247807. The next prime is 940247827. The reversal of 940247817 is 718742049.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (940247807) and next prime (940247827).

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

It is not a de Polignac number, because 940247817 - 2⁶ = 940247753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (940247807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2206942 + ... + 2207367.

It is an arithmetic number, because the mean of its divisors is an integer number (158915160).

Almost surely, 2^940247817 is an apocalyptic number.

It is an amenable number.

940247817 is a deficient number, since it is larger than the sum of its proper divisors (331073463).

940247817 is a wasteful number, since it uses less digits than its factorization.

940247817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4414383.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 940247817 is about 30663.4606168319. The cubic root of 940247817 is about 979.6721855810.

The spelling of 940247817 in words is "nine hundred forty million, two hundred forty-seven thousand, eight hundred seventeen".