340172 has 12 divisors (see below), whose sum is σ = 680400. Its totient is φ = 145776.

The previous prime is 340169. The next prime is 340183. The reversal of 340172 is 271043.

It is a happy number.

340172 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 340172.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 340172.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6047 + ... + 6102.

It is an arithmetic number, because the mean of its divisors is an integer number (56700).

2³⁴⁰¹⁷² is an apocalyptic number.

It is an amenable number.

340172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

340172 is a wasteful number, since it uses less digits than its factorization.

340172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12160 (or 12158 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 340172 is about 583.2426596195. The cubic root of 340172 is about 69.8070878920.

It can be divided in two parts, 340 and 172, that added together give a 9-th power (512 = 2⁹).

The spelling of 340172 in words is "three hundred forty thousand, one hundred seventy-two", and thus it is an iban number.