40994917 has 8 divisors (see below), whose sum is σ = 42301440. Its totient is φ = 39708240.

The previous prime is 40994909. The next prime is 40994929. The reversal of 40994917 is 71949904.

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

It is a cyclic number.

It is not a de Polignac number, because 40994917 - 2³ = 40994909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40994977) 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, 709 + ... + 9082.

It is an arithmetic number, because the mean of its divisors is an integer number (5287680).

Almost surely, 2^40994917 is an apocalyptic number.

It is an amenable number.

40994917 is a deficient number, since it is larger than the sum of its proper divisors (1306523).

40994917 is an equidigital number, since it uses as much as digits as its factorization.

40994917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9923.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 40994917 is about 6402.7273095143. The cubic root of 40994917 is about 344.8074736215.

The spelling of 40994917 in words is "forty million, nine hundred ninety-four thousand, nine hundred seventeen".