340611863 has 2 divisors, whose sum is σ = 340611864. Its totient is φ = 340611862.

The previous prime is 340611857. The next prime is 340611877. The reversal of 340611863 is 368116043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340611863 - 2¹⁸ = 340349719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340611823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170305931 + 170305932.

It is an arithmetic number, because the mean of its divisors is an integer number (170305932).

Almost surely, 2^340611863 is an apocalyptic number.

340611863 is a deficient number, since it is larger than the sum of its proper divisors (1).

340611863 is an equidigital number, since it uses as much as digits as its factorization.

340611863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 340611863 is about 18455.6729218959. The cubic root of 340611863 is about 698.3716319691.

The spelling of 340611863 in words is "three hundred forty million, six hundred eleven thousand, eight hundred sixty-three".