987741 has 8 divisors (see below), whose sum is σ = 1463360. Its totient is φ = 658476.

The previous prime is 987739. The next prime is 987793. The reversal of 987741 is 147789.

It is not a de Polignac number, because 987741 - 2¹ = 987739 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 987696 and 987705.

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 987741.

It is not an unprimeable number, because it can be changed into a prime (987541) 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, 18265 + ... + 18318.

It is an arithmetic number, because the mean of its divisors is an integer number (182920).

2⁹⁸⁷⁷⁴¹ is an apocalyptic number.

It is an amenable number.

987741 is a deficient number, since it is larger than the sum of its proper divisors (475619).

987741 is a wasteful number, since it uses less digits than its factorization.

987741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36592 (or 36586 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 987741 is about 993.8515985800. The cubic root of 987741 is about 99.5896853885.

It can be divided in two parts, 987 and 741, that added together give a cube (1728 = 12³).

The spelling of 987741 in words is "nine hundred eighty-seven thousand, seven hundred forty-one".