974987 has 8 divisors (see below), whose sum is σ = 1078896. Its totient is φ = 875232.

The previous prime is 974983. The next prime is 974989. The reversal of 974987 is 789479.

974987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 974987 - 2² = 974983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (974983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533 + ... + 1494.

It is an arithmetic number, because the mean of its divisors is an integer number (134862).

2⁹⁷⁴⁹⁸⁷ is an apocalyptic number.

974987 is a deficient number, since it is larger than the sum of its proper divisors (103909).

974987 is a wasteful number, since it uses less digits than its factorization.

974987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077.

The product of its digits is 127008, while the sum is 44.

The square root of 974987 is about 987.4143000787. The cubic root of 974987 is about 99.1591834226.

The spelling of 974987 in words is "nine hundred seventy-four thousand, nine hundred eighty-seven".