340661463 has 16 divisors (see below), whose sum is σ = 472711680. Its totient is φ = 217954016.

The previous prime is 340661443. The next prime is 340661491. The reversal of 340661463 is 364166043.

It is a cyclic number.

It is not a de Polignac number, because 340661463 - 2²⁰ = 339612887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340661443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2806 + ... + 26252.

It is an arithmetic number, because the mean of its divisors is an integer number (29544480).

Almost surely, 2^340661463 is an apocalyptic number.

340661463 is a deficient number, since it is larger than the sum of its proper divisors (132050217).

340661463 is a wasteful number, since it uses less digits than its factorization.

340661463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23646.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 340661463 is about 18457.0166332482. The cubic root of 340661463 is about 698.4055293515.

The spelling of 340661463 in words is "three hundred forty million, six hundred sixty-one thousand, four hundred sixty-three".