326473109 has 16 divisors (see below), whose sum is σ = 346636800. Its totient is φ = 306848256.

The previous prime is 326473087. The next prime is 326473141. The reversal of 326473109 is 901374623.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-326473109 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 (326472109) 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, 641147 + ... + 641655.

It is an arithmetic number, because the mean of its divisors is an integer number (21664800).

Almost surely, 2^326473109 is an apocalyptic number.

It is an amenable number.

326473109 is a deficient number, since it is larger than the sum of its proper divisors (20163691).

326473109 is a wasteful number, since it uses less digits than its factorization.

326473109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 326473109 is about 18068.5668773149. The cubic root of 326473109 is about 688.5716507303.

The spelling of 326473109 in words is "three hundred twenty-six million, four hundred seventy-three thousand, one hundred nine".