340929 has 24 divisors (see below), whose sum is σ = 541632. Its totient is φ = 213840.

The previous prime is 340927. The next prime is 340931. The reversal of 340929 is 929043.

It is an interprime number because it is at equal distance from previous prime (340927) and next prime (340931).

It is not a de Polignac number, because 340929 - 2¹ = 340927 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (340927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5559 + ... + 5619.

It is an arithmetic number, because the mean of its divisors is an integer number (22568).

2³⁴⁰⁹²⁹ is an apocalyptic number.

It is an amenable number.

340929 is a deficient number, since it is larger than the sum of its proper divisors (200703).

340929 is an equidigital number, since it uses as much as digits as its factorization.

340929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 340929 is about 583.8912569991. The cubic root of 340929 is about 69.8588311427.

The spelling of 340929 in words is "three hundred forty thousand, nine hundred twenty-nine".