340992109 has 8 divisors (see below), whose sum is σ = 346125312. Its totient is φ = 335894160.

The previous prime is 340992073. The next prime is 340992133. The reversal of 340992109 is 901299043.

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 340992109 - 2¹³ = 340983917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340992139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11007 + ... + 28339.

It is an arithmetic number, because the mean of its divisors is an integer number (43265664).

Almost surely, 2^340992109 is an apocalyptic number.

It is an amenable number.

340992109 is a deficient number, since it is larger than the sum of its proper divisors (5133203).

340992109 is a wasteful number, since it uses less digits than its factorization.

340992109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17627.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 340992109 is about 18465.9716505793. The cubic root of 340992109 is about 698.6314137441.

The spelling of 340992109 in words is "three hundred forty million, nine hundred ninety-two thousand, one hundred nine".