326072028 has 12 divisors (see below), whose sum is σ = 760834760. Its totient is φ = 108690672.

The previous prime is 326072011. The next prime is 326072051. The reversal of 326072028 is 820270623.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 326071986 and 326072004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13586323 + ... + 13586346.

Almost surely, 2^326072028 is an apocalyptic number.

It is an amenable number.

326072028 is an abundant number, since it is smaller than the sum of its proper divisors (434762732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

326072028 is a wasteful number, since it uses less digits than its factorization.

326072028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27172676 (or 27172674 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 326072028 is about 18057.4646060847. The cubic root of 326072028 is about 688.2895589120.

The spelling of 326072028 in words is "three hundred twenty-six million, seventy-two thousand, twenty-eight".