327431228 has 24 divisors (see below), whose sum is σ = 593503680. Its totient is φ = 157872960.

The previous prime is 327431227. The next prime is 327431239. The reversal of 327431228 is 822134723.

It is a super-2 number, since 2×327431228² = 214422418139175968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 327431194 and 327431203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327431227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141650 + ... + 143942.

It is an arithmetic number, because the mean of its divisors is an integer number (24729320).

Almost surely, 2^327431228 is an apocalyptic number.

It is an amenable number.

327431228 is a deficient number, since it is larger than the sum of its proper divisors (266072452).

327431228 is a wasteful number, since it uses less digits than its factorization.

327431228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3557 (or 3555 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 327431228 is about 18095.0608730670. The cubic root of 327431228 is about 689.2445895091.

The spelling of 327431228 in words is "three hundred twenty-seven million, four hundred thirty-one thousand, two hundred twenty-eight".