326667 has 16 divisors (see below), whose sum is σ = 501120. Its totient is φ = 187200.

The previous prime is 326663. The next prime is 326681. The reversal of 326667 is 766623.

It is not a de Polignac number, because 326667 - 2² = 326663 is a prime.

It is a super-2 number, since 2×326667² = 213422657778, which contains 22 as substring.

326667 is a lucky number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (326663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367 + ... + 887.

It is an arithmetic number, because the mean of its divisors is an integer number (31320).

2³²⁶⁶⁶⁷ is an apocalyptic number.

326667 is a deficient number, since it is larger than the sum of its proper divisors (174453).

326667 is a wasteful number, since it uses less digits than its factorization.

326667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554.

The product of its digits is 9072, while the sum is 30.

The square root of 326667 is about 571.5478982553. The cubic root of 326667 is about 68.8707937019.

It can be divided in two parts, 3266 and 67, that added together give a palindrome (3333).

The spelling of 326667 in words is "three hundred twenty-six thousand, six hundred sixty-seven".