326787228 has 18 divisors (see below), whose sum is σ = 826045584. Its totient is φ = 108929064.

The previous prime is 326787211. The next prime is 326787239. The reversal of 326787228 is 822787623.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4538676 + ... + 4538747.

Almost surely, 2^326787228 is an apocalyptic number.

It is an amenable number.

326787228 is an abundant number, since it is smaller than the sum of its proper divisors (499258356).

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

326787228 is a wasteful number, since it uses less digits than its factorization.

326787228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9077433 (or 9077428 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 326787228 is about 18077.2572034587. The cubic root of 326787228 is about 688.7924183830.

The spelling of 326787228 in words is "three hundred twenty-six million, seven hundred eighty-seven thousand, two hundred twenty-eight".