340404671 has 2 divisors, whose sum is σ = 340404672. Its totient is φ = 340404670.

The previous prime is 340404667. The next prime is 340404677. The reversal of 340404671 is 176404043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340404671 - 2² = 340404667 is a prime.

It is a super-3 number, since 3×340404671³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340404677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170202335 + 170202336.

It is an arithmetic number, because the mean of its divisors is an integer number (170202336).

Almost surely, 2^340404671 is an apocalyptic number.

340404671 is a deficient number, since it is larger than the sum of its proper divisors (1).

340404671 is an equidigital number, since it uses as much as digits as its factorization.

340404671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 340404671 is about 18450.0588345945. The cubic root of 340404671 is about 698.2299982601.

The spelling of 340404671 in words is "three hundred forty million, four hundred four thousand, six hundred seventy-one".