987256 has 8 divisors (see below), whose sum is σ = 1851120. Its totient is φ = 493624.

The previous prime is 987251. The next prime is 987293. The reversal of 987256 is 652789.

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61696 + ... + 61711.

It is an arithmetic number, because the mean of its divisors is an integer number (231390).

2⁹⁸⁷²⁵⁶ is an apocalyptic number.

It is an amenable number.

987256 is a deficient number, since it is larger than the sum of its proper divisors (863864).

987256 is a wasteful number, since it uses less digits than its factorization.

987256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123413 (or 123409 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 987256 is about 993.6075684092. The cubic root of 987256 is about 99.5733825638.

The spelling of 987256 in words is "nine hundred eighty-seven thousand, two hundred fifty-six".