987049 has 12 divisors (see below), whose sum is σ = 1170624. Its totient is φ = 815184.

The previous prime is 987043. The next prime is 987053. The reversal of 987049 is 940789.

987049 = 77² + 78² + ... + 150².

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-987049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 986999 and 987017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9532 + ... + 9634.

It is an arithmetic number, because the mean of its divisors is an integer number (97552).

2⁹⁸⁷⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

987049 is a deficient number, since it is larger than the sum of its proper divisors (183575).

987049 is a wasteful number, since it uses less digits than its factorization.

987049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 987049 is about 993.5033970752. The cubic root of 987049 is about 99.5664228253.

The spelling of 987049 in words is "nine hundred eighty-seven thousand, forty-nine".