941987 has 4 divisors (see below), whose sum is σ = 997416. Its totient is φ = 886560.

The previous prime is 941981. The next prime is 941989. The reversal of 941987 is 789149.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 941987 - 2⁴ = 941971 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 941987.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 941987.

It is not an unprimeable number, because it can be changed into a prime (941981) 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 3 ways as a sum of consecutive naturals, for example, 27689 + ... + 27722.

It is an arithmetic number, because the mean of its divisors is an integer number (249354).

2⁹⁴¹⁹⁸⁷ is an apocalyptic number.

941987 is a deficient number, since it is larger than the sum of its proper divisors (55429).

941987 is a wasteful number, since it uses less digits than its factorization.

941987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55428.

The product of its digits is 18144, while the sum is 38.

The square root of 941987 is about 970.5601475437. The cubic root of 941987 is about 98.0275849044.

The spelling of 941987 in words is "nine hundred forty-one thousand, nine hundred eighty-seven".