340512 has 24 divisors (see below), whose sum is σ = 894096. Its totient is φ = 113472.

The previous prime is 340481. The next prime is 340519. The reversal of 340512 is 215043.

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

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 340491 and 340500.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 340512.

It is not an unprimeable number, because it can be changed into a prime (340519) by changing a digit.

340512 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1678 + ... + 1869.

It is an arithmetic number, because the mean of its divisors is an integer number (37254).

2³⁴⁰⁵¹² is an apocalyptic number.

340512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

340512 is an abundant number, since it is smaller than the sum of its proper divisors (553584).

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

340512 is a wasteful number, since it uses less digits than its factorization.

340512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3560 (or 3552 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 340512 is about 583.5340607025. The cubic root of 340512 is about 69.8303374116.

Adding to 340512 its reverse (215043), we get a palindrome (555555).

The spelling of 340512 in words is "three hundred forty thousand, five hundred twelve".