340486 has 4 divisors (see below), whose sum is σ = 510732. Its totient is φ = 170242.

The previous prime is 340481. The next prime is 340519. The reversal of 340486 is 684043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 684043 = 23 ⋅29741.

It is a self number, because there is not a number n which added to its sum of digits gives 340486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340481) by changing a digit.

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, 85120 + ... + 85123.

It is an arithmetic number, because the mean of its divisors is an integer number (127683).

2³⁴⁰⁴⁸⁶ is an apocalyptic number.

340486 is a deficient number, since it is larger than the sum of its proper divisors (170246).

340486 is a wasteful number, since it uses less digits than its factorization.

340486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170245.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 340486 is about 583.5117822289. The cubic root of 340486 is about 69.8285600538.

The spelling of 340486 in words is "three hundred forty thousand, four hundred eighty-six".