973987 has 8 divisors (see below), whose sum is σ = 1131872. Its totient is φ = 820800.

The previous prime is 973957. The next prime is 974003. The reversal of 973987 is 789379.

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 973987 - 2¹¹ = 971939 is a prime.

It is a d-powerful number, because it can be written as 9 + 7⁶ + 9 + 3² + 8⁵ + 7⁷ .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (973957) 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, 714 + ... + 1567.

It is an arithmetic number, because the mean of its divisors is an integer number (141484).

2⁹⁷³⁹⁸⁷ is an apocalyptic number.

973987 is a deficient number, since it is larger than the sum of its proper divisors (157885).

973987 is a wasteful number, since it uses less digits than its factorization.

973987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349.

The product of its digits is 95256, while the sum is 43.

The square root of 973987 is about 986.9077971118. The cubic root of 973987 is about 99.1252707982.

The spelling of 973987 in words is "nine hundred seventy-three thousand, nine hundred eighty-seven".