346820827 has 2 divisors, whose sum is σ = 346820828. Its totient is φ = 346820826.

The previous prime is 346820801. The next prime is 346820861. The reversal of 346820827 is 728028643.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 346820827 - 2¹⁵ = 346788059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 346820827.

It is not a weakly prime, because it can be changed into another prime (346820027) 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, 173410413 + 173410414.

It is an arithmetic number, because the mean of its divisors is an integer number (173410414).

Almost surely, 2^346820827 is an apocalyptic number.

346820827 is a deficient number, since it is larger than the sum of its proper divisors (1).

346820827 is an equidigital number, since it uses as much as digits as its factorization.

346820827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 346820827 is about 18623.1261339228. The cubic root of 346820827 is about 702.5896101121.

The spelling of 346820827 in words is "three hundred forty-six million, eight hundred twenty thousand, eight hundred twenty-seven".