340838867 has 2 divisors, whose sum is σ = 340838868. Its totient is φ = 340838866.

The previous prime is 340838801. The next prime is 340838873. The reversal of 340838867 is 768838043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340838867 - 2⁸ = 340838611 is a prime.

It is a super-2 number, since 2×340838867² = 232342266515687378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (340838467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170419433 + 170419434.

It is an arithmetic number, because the mean of its divisors is an integer number (170419434).

Almost surely, 2^340838867 is an apocalyptic number.

340838867 is a deficient number, since it is larger than the sum of its proper divisors (1).

340838867 is an equidigital number, since it uses as much as digits as its factorization.

340838867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 340838867 is about 18461.8218765105. The cubic root of 340838867 is about 698.5267429772.

The spelling of 340838867 in words is "three hundred forty million, eight hundred thirty-eight thousand, eight hundred sixty-seven".