340354 has 24 divisors (see below), whose sum is σ = 623808. Its totient is φ = 138600.

The previous prime is 340339. The next prime is 340369. The reversal of 340354 is 453043.

It is an interprime number because it is at equal distance from previous prime (340339) and next prime (340369).

It is an unprimeable 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 11 ways as a sum of consecutive naturals, for example, 2179 + ... + 2329.

It is an arithmetic number, because the mean of its divisors is an integer number (25992).

2³⁴⁰³⁵⁴ is an apocalyptic number.

340354 is a deficient number, since it is larger than the sum of its proper divisors (283454).

340354 is a wasteful number, since it uses less digits than its factorization.

340354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 340354 is about 583.3986630084. The cubic root of 340354 is about 69.8195351489.

Adding to 340354 its reverse (453043), we get a palindrome (793397).

The spelling of 340354 in words is "three hundred forty thousand, three hundred fifty-four".