340294385 has 8 divisors (see below), whose sum is σ = 409907520. Its totient is φ = 271199344.

The previous prime is 340294373. The next prime is 340294393. The reversal of 340294385 is 583492043.

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 340294385 - 2¹⁸ = 340032241 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128075 + ... + 130704.

It is an arithmetic number, because the mean of its divisors is an integer number (51238440).

Almost surely, 2^340294385 is an apocalyptic number.

It is an amenable number.

340294385 is a deficient number, since it is larger than the sum of its proper divisors (69613135).

340294385 is a wasteful number, since it uses less digits than its factorization.

340294385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259047.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 340294385 is about 18447.0698215191. The cubic root of 340294385 is about 698.1545847716.

The spelling of 340294385 in words is "three hundred forty million, two hundred ninety-four thousand, three hundred eighty-five".