987362649 has 64 divisors (see below), whose sum is σ = 1849146880. Its totient is φ = 506684160.

The previous prime is 987362647. The next prime is 987362659. The reversal of 987362649 is 946263789.

It is a happy number.

987362649 is a `hidden beast` number, since 9 + 8 + 7 + 3 + 626 + 4 + 9 = 666.

It is not a de Polignac number, because 987362649 - 2¹ = 987362647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 987362595 and 987362604.

It is not an unprimeable number, because it can be changed into a prime (987362641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 85479 + ... + 96339.

It is an arithmetic number, because the mean of its divisors is an integer number (28892920).

Almost surely, 2^987362649 is an apocalyptic number.

It is an amenable number.

987362649 is a deficient number, since it is larger than the sum of its proper divisors (861784231).

987362649 is a wasteful number, since it uses less digits than its factorization.

987362649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10927 (or 10921 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 987362649 is about 31422.3272371733. The cubic root of 987362649 is about 995.7696792881.

The spelling of 987362649 in words is "nine hundred eighty-seven million, three hundred sixty-two thousand, six hundred forty-nine".