340463587 has 2 divisors, whose sum is σ = 340463588. Its totient is φ = 340463586.

The previous prime is 340463581. The next prime is 340463611. The reversal of 340463587 is 785364043.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340463587 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (340463581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170231793 + 170231794.

It is an arithmetic number, because the mean of its divisors is an integer number (170231794).

Almost surely, 2^340463587 is an apocalyptic number.

340463587 is a deficient number, since it is larger than the sum of its proper divisors (1).

340463587 is an equidigital number, since it uses as much as digits as its factorization.

340463587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 340463587 is about 18451.6553999905. The cubic root of 340463587 is about 698.2702783042.

The spelling of 340463587 in words is "three hundred forty million, four hundred sixty-three thousand, five hundred eighty-seven".