340669919 has 4 divisors (see below), whose sum is σ = 360709344. Its totient is φ = 320630496.

The previous prime is 340669913. The next prime is 340669921. The reversal of 340669919 is 919966043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 340669919 - 2⁸ = 340669663 is a prime.

It is a super-2 number, since 2×340669919² = 232111987422933122, 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 (340669913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10019687 + ... + 10019720.

It is an arithmetic number, because the mean of its divisors is an integer number (90177336).

Almost surely, 2^340669919 is an apocalyptic number.

340669919 is a deficient number, since it is larger than the sum of its proper divisors (20039425).

340669919 is a wasteful number, since it uses less digits than its factorization.

340669919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20039424.

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 340669919 is about 18457.2457046007. The cubic root of 340669919 is about 698.4113079802.

The spelling of 340669919 in words is "three hundred forty million, six hundred sixty-nine thousand, nine hundred nineteen".