340360391 has 8 divisors (see below), whose sum is σ = 389099904. Its totient is φ = 291650040.

The previous prime is 340360343. The next prime is 340360399. The reversal of 340360391 is 193063043.

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 340360391 - 2²² = 336166087 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 (340360399) 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, 31496 + ... + 40898.

It is an arithmetic number, because the mean of its divisors is an integer number (48637488).

Almost surely, 2^340360391 is an apocalyptic number.

340360391 is a deficient number, since it is larger than the sum of its proper divisors (48739513).

340360391 is an equidigital number, since it uses as much as digits as its factorization.

340360391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14581.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 340360391 is about 18448.8587993946. The cubic root of 340360391 is about 698.1997215848.

The spelling of 340360391 in words is "three hundred forty million, three hundred sixty thousand, three hundred ninety-one".