987241 has 4 divisors (see below), whose sum is σ = 1045332. Its totient is φ = 929152.

The previous prime is 987227. The next prime is 987251. The reversal of 987241 is 142789.

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

It can be written as a sum of positive squares in 2 ways, for example, as 355216 + 632025 = 596^2 + 795^2 .

It is not a de Polignac number, because 987241 - 2⁵ = 987209 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (987211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29020 + ... + 29053.

It is an arithmetic number, because the mean of its divisors is an integer number (261333).

2⁹⁸⁷²⁴¹ is an apocalyptic number.

It is an amenable number.

987241 is a deficient number, since it is larger than the sum of its proper divisors (58091).

987241 is a wasteful number, since it uses less digits than its factorization.

987241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58090.

The product of its digits is 4032, while the sum is 31.

The square root of 987241 is about 993.6000201288. The cubic root of 987241 is about 99.5728782676.

The spelling of 987241 in words is "nine hundred eighty-seven thousand, two hundred forty-one".