320472 has 24 divisors (see below), whose sum is σ = 868140. Its totient is φ = 106800.

The previous prime is 320471. The next prime is 320477. The reversal of 320472 is 274023.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×320472³ = 98739637133382144, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2154 + ... + 2297.

2³²⁰⁴⁷² is an apocalyptic number.

It is an amenable number.

320472 is an abundant number, since it is smaller than the sum of its proper divisors (547668).

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

320472 is a wasteful number, since it uses less digits than its factorization.

320472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4463 (or 4456 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 320472 is about 566.1024642236. The cubic root of 320472 is about 68.4326508730.

Adding to 320472 its reverse (274023), we get a palindrome (594495).

It can be divided in two parts, 3 and 20472, that multiplied together give a palindrome (61416).

The spelling of 320472 in words is "three hundred twenty thousand, four hundred seventy-two", and thus it is an iban number.