321472 has 14 divisors (see below), whose sum is σ = 638048. Its totient is φ = 160704.

The previous prime is 321469. The next prime is 321509. The reversal of 321472 is 274123.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2448 + ... + 2575.

2³²¹⁴⁷² is an apocalyptic number.

321472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

321472 is a deficient number, since it is larger than the sum of its proper divisors (316576).

321472 is an equidigital number, since it uses as much as digits as its factorization.

321472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5035 (or 5025 counting only the distinct ones).

The product of its digits is 336, while the sum is 19.

The square root of 321472 is about 566.9850086202. The cubic root of 321472 is about 68.5037559878.

Adding to 321472 its reverse (274123), we get a palindrome (595595).

The spelling of 321472 in words is "three hundred twenty-one thousand, four hundred seventy-two", and thus it is an iban number.