340499 has 4 divisors (see below), whose sum is σ = 358440. Its totient is φ = 322560.

The previous prime is 340481. The next prime is 340519. The reversal of 340499 is 994043.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 994043 = 569 ⋅1747.

It is a cyclic number.

It is not a de Polignac number, because 340499 - 2¹² = 336403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8942 + ... + 8979.

It is an arithmetic number, because the mean of its divisors is an integer number (89610).

2³⁴⁰⁴⁹⁹ is an apocalyptic number.

340499 is a deficient number, since it is larger than the sum of its proper divisors (17941).

340499 is a wasteful number, since it uses less digits than its factorization.

340499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17940.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 340499 is about 583.5229215721. The cubic root of 340499 is about 69.8294487440.

The spelling of 340499 in words is "three hundred forty thousand, four hundred ninety-nine".