322987 has 4 divisors (see below), whose sum is σ = 369136. Its totient is φ = 276840.

The previous prime is 322969. The next prime is 322997. The reversal of 322987 is 789223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 789223 = 53 ⋅14891.

It is a cyclic number.

It is not a de Polignac number, because 322987 - 2⁷ = 322859 is a prime.

It is a d-powerful number, because it can be written as 3¹¹ + 2¹³ + 9⁴ + 2¹⁷ + 8 + 7 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (322997) 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, 23064 + ... + 23077.

It is an arithmetic number, because the mean of its divisors is an integer number (92284).

2³²²⁹⁸⁷ is an apocalyptic number.

322987 is a deficient number, since it is larger than the sum of its proper divisors (46149).

322987 is an equidigital number, since it uses as much as digits as its factorization.

322987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46148.

The product of its digits is 6048, while the sum is 31.

The square root of 322987 is about 568.3194524209. The cubic root of 322987 is about 68.6111998532.

The spelling of 322987 in words is "three hundred twenty-two thousand, nine hundred eighty-seven".