340806173 has 16 divisors (see below), whose sum is σ = 372556800. Its totient is φ = 310524480.

The previous prime is 340806163. The next prime is 340806197. The reversal of 340806173 is 371608043.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340806173 is a prime.

It is a super-2 number, since 2×340806173² = 232297695109811858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340806143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160388 + ... + 162498.

It is an arithmetic number, because the mean of its divisors is an integer number (23284800).

Almost surely, 2^340806173 is an apocalyptic number.

It is an amenable number.

340806173 is a deficient number, since it is larger than the sum of its proper divisors (31750627).

340806173 is a wasteful number, since it uses less digits than its factorization.

340806173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 340806173 is about 18460.9364063690. The cubic root of 340806173 is about 698.5044075320.

The spelling of 340806173 in words is "three hundred forty million, eight hundred six thousand, one hundred seventy-three".