987941 has 2 divisors, whose sum is σ = 987942. Its totient is φ = 987940.

The previous prime is 987929. The next prime is 987971. The reversal of 987941 is 149789.

987941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 894916 + 93025 = 946^2 + 305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-987941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 987895 and 987904.

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 987941.

It is not a weakly prime, because it can be changed into another prime (987911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493970 + 493971.

It is an arithmetic number, because the mean of its divisors is an integer number (493971).

2⁹⁸⁷⁹⁴¹ is an apocalyptic number.

It is an amenable number.

987941 is a deficient number, since it is larger than the sum of its proper divisors (1).

987941 is an equidigital number, since it uses as much as digits as its factorization.

987941 is an evil number, because the sum of its binary digits is even.

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

The square root of 987941 is about 993.9522121309. The cubic root of 987941 is about 99.5964066487.

The spelling of 987941 in words is "nine hundred eighty-seven thousand, nine hundred forty-one".