340492 has 12 divisors (see below), whose sum is σ = 621936. Its totient is φ = 162800.

The previous prime is 340481. The next prime is 340519. The reversal of 340492 is 294043.

It is an unprimeable number.

340492 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1759 + ... + 1942.

It is an arithmetic number, because the mean of its divisors is an integer number (51828).

2³⁴⁰⁴⁹² is an apocalyptic number.

It is an amenable number.

340492 is a deficient number, since it is larger than the sum of its proper divisors (281444).

340492 is a wasteful number, since it uses less digits than its factorization.

340492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3728 (or 3726 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 340492 is about 583.5169234907. The cubic root of 340492 is about 69.8289702214.

The spelling of 340492 in words is "three hundred forty thousand, four hundred ninety-two".