340450087 has 2 divisors, whose sum is σ = 340450088. Its totient is φ = 340450086.

The previous prime is 340450013. The next prime is 340450127. The reversal of 340450087 is 780054043.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340450087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340451087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170225043 + 170225044.

It is an arithmetic number, because the mean of its divisors is an integer number (170225044).

Almost surely, 2^340450087 is an apocalyptic number.

340450087 is a deficient number, since it is larger than the sum of its proper divisors (1).

340450087 is an equidigital number, since it uses as much as digits as its factorization.

340450087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 340450087 is about 18451.2895755283. The cubic root of 340450087 is about 698.2610489537.

The spelling of 340450087 in words is "three hundred forty million, four hundred fifty thousand, eighty-seven".