340654087 has 2 divisors, whose sum is σ = 340654088. Its totient is φ = 340654086.

The previous prime is 340654057. The next prime is 340654099. The reversal of 340654087 is 780456043.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340654087 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340654057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170327043 + 170327044.

It is an arithmetic number, because the mean of its divisors is an integer number (170327044).

Almost surely, 2^340654087 is an apocalyptic number.

340654087 is a deficient number, since it is larger than the sum of its proper divisors (1).

340654087 is an equidigital number, since it uses as much as digits as its factorization.

340654087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 340654087 is about 18456.8168165586. The cubic root of 340654087 is about 698.4004886910.

The spelling of 340654087 in words is "three hundred forty million, six hundred fifty-four thousand, eighty-seven".