987267 has 4 divisors (see below), whose sum is σ = 1316360. Its totient is φ = 658176.

The previous prime is 987251. The next prime is 987293. The reversal of 987267 is 762789.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 987267 - 2⁴ = 987251 is a prime.

It is a super-2 number, since 2×987267² = 1949392258578, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 987267.

It is not an unprimeable number, because it can be changed into a prime (987227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164542 + ... + 164547.

It is an arithmetic number, because the mean of its divisors is an integer number (329090).

2⁹⁸⁷²⁶⁷ is an apocalyptic number.

987267 is a deficient number, since it is larger than the sum of its proper divisors (329093).

987267 is a wasteful number, since it uses less digits than its factorization.

987267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329092.

The product of its digits is 42336, while the sum is 39.

The square root of 987267 is about 993.6131037783. The cubic root of 987267 is about 99.5737523778.

The spelling of 987267 in words is "nine hundred eighty-seven thousand, two hundred sixty-seven".