340354663 has 8 divisors (see below), whose sum is σ = 371627136. Its totient is φ = 309137400.

The previous prime is 340354661. The next prime is 340354669. The reversal of 340354663 is 366453043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 340354663 - 2¹ = 340354661 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340354661) 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, 331 + ... + 26092.

It is an arithmetic number, because the mean of its divisors is an integer number (46453392).

Almost surely, 2^340354663 is an apocalyptic number.

340354663 is a deficient number, since it is larger than the sum of its proper divisors (31272473).

340354663 is a wasteful number, since it uses less digits than its factorization.

340354663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27605.

The product of its (nonzero) digits is 77760, while the sum is 34.

The square root of 340354663 is about 18448.7035587870. The cubic root of 340354663 is about 698.1958048439.

The spelling of 340354663 in words is "three hundred forty million, three hundred fifty-four thousand, six hundred sixty-three".