340404043 has 8 divisors (see below), whose sum is σ = 389158112. Its totient is φ = 291681216.

The previous prime is 340404011. The next prime is 340404047.

It is a happy number.

340404043 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340404043 - 2⁵ = 340404011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340404047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24421 + ... + 35737.

It is an arithmetic number, because the mean of its divisors is an integer number (48644764).

Almost surely, 2^340404043 is an apocalyptic number.

340404043 is a deficient number, since it is larger than the sum of its proper divisors (48754069).

340404043 is a wasteful number, since it uses less digits than its factorization.

340404043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15621.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 340404043 is about 18450.0418156708. The cubic root of 340404043 is about 698.2295688802.

It can be divided in two parts, 34040 and 4043, that added together give a palindrome (38083).

The spelling of 340404043 in words is "three hundred forty million, four hundred four thousand, forty-three".