326429 has 4 divisors (see below), whose sum is σ = 328284. Its totient is φ = 324576.

The previous prime is 326369. The next prime is 326437. The reversal of 326429 is 924623.

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

It can be written as a sum of positive squares in 2 ways, for example, as 235225 + 91204 = 485^2 + 302^2 .

It is a cyclic number.

It is not a de Polignac number, because 326429 - 2¹⁶ = 260893 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 326398 and 326407.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 326429.

It is not an unprimeable number, because it can be changed into a prime (326449) 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, 632 + ... + 1025.

It is an arithmetic number, because the mean of its divisors is an integer number (82071).

2³²⁶⁴²⁹ is an apocalyptic number.

It is an amenable number.

326429 is a deficient number, since it is larger than the sum of its proper divisors (1855).

326429 is a wasteful number, since it uses less digits than its factorization.

326429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854.

The product of its digits is 2592, while the sum is 26.

The square root of 326429 is about 571.3396537962. The cubic root of 326429 is about 68.8540638911.

The spelling of 326429 in words is "three hundred twenty-six thousand, four hundred twenty-nine".