941916621 has 16 divisors (see below), whose sum is σ = 1328853440. Its totient is φ = 591805440.

The previous prime is 941916589. The next prime is 941916629. The reversal of 941916621 is 126619149.

It is not a de Polignac number, because 941916621 - 2⁵ = 941916589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 941916621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (941916629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31810 + ... + 53811.

It is an arithmetic number, because the mean of its divisors is an integer number (83053340).

Almost surely, 2^941916621 is an apocalyptic number.

It is an amenable number.

941916621 is a deficient number, since it is larger than the sum of its proper divisors (386936819).

941916621 is a wasteful number, since it uses less digits than its factorization.

941916621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85836.

The product of its digits is 23328, while the sum is 39.

The square root of 941916621 is about 30690.6601590777. The cubic root of 941916621 is about 980.2514352070.

The spelling of 941916621 in words is "nine hundred forty-one million, nine hundred sixteen thousand, six hundred twenty-one".