340498 has 4 divisors (see below), whose sum is σ = 510750. Its totient is φ = 170248.

The previous prime is 340481. The next prime is 340519. The reversal of 340498 is 894043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 894043 = 79 ⋅11317.

It can be written as a sum of positive squares in only one way, i.e., 332929 + 7569 = 577^2 + 87^2 .

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 as a sum of consecutive naturals, namely, 85123 + ... + 85126.

2³⁴⁰⁴⁹⁸ is an apocalyptic number.

340498 is a deficient number, since it is larger than the sum of its proper divisors (170252).

340498 is a wasteful number, since it uses less digits than its factorization.

340498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170251.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 340498 is about 583.5220647071. The cubic root of 340498 is about 69.8293803841.

It can be divided in two parts, 340 and 498, that added together give a palindrome (838).

The spelling of 340498 in words is "three hundred forty thousand, four hundred ninety-eight".