340887563 has 8 divisors (see below), whose sum is σ = 353145216. Its totient is φ = 328708800.

The previous prime is 340887551. The next prime is 340887611. The reversal of 340887563 is 365788043.

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 340887563 - 2⁶ = 340887499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340887523) 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, 10856 + ... + 28277.

It is an arithmetic number, because the mean of its divisors is an integer number (44143152).

Almost surely, 2^340887563 is an apocalyptic number.

340887563 is a deficient number, since it is larger than the sum of its proper divisors (12257653).

340887563 is a wasteful number, since it uses less digits than its factorization.

340887563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39445.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 340887563 is about 18463.1406591620. The cubic root of 340887563 is about 698.5600078049.

The spelling of 340887563 in words is "three hundred forty million, eight hundred eighty-seven thousand, five hundred sixty-three".