326407 has 4 divisors (see below), whose sum is σ = 329680. Its totient is φ = 323136.

The previous prime is 326369. The next prime is 326437. The reversal of 326407 is 704623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 704623 = 103 ⋅6841.

It is a cyclic number.

It is not a de Polignac number, because 326407 - 2¹⁵ = 293639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1482 + ... + 1687.

It is an arithmetic number, because the mean of its divisors is an integer number (82420).

2³²⁶⁴⁰⁷ is an apocalyptic number.

326407 is a deficient number, since it is larger than the sum of its proper divisors (3273).

326407 is a wasteful number, since it uses less digits than its factorization.

326407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 326407 is about 571.3204004760. The cubic root of 326407 is about 68.8525170275.

The spelling of 326407 in words is "three hundred twenty-six thousand, four hundred seven".