356646047 has 2 divisors, whose sum is σ = 356646048. Its totient is φ = 356646046.

The previous prime is 356646023. The next prime is 356646107. The reversal of 356646047 is 740646653.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 356646047 - 2²⁰ = 355597471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 356645995 and 356646013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (356646007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178323023 + 178323024.

It is an arithmetic number, because the mean of its divisors is an integer number (178323024).

Almost surely, 2^356646047 is an apocalyptic number.

356646047 is a deficient number, since it is larger than the sum of its proper divisors (1).

356646047 is an equidigital number, since it uses as much as digits as its factorization.

356646047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 41.

The square root of 356646047 is about 18885.0747152348. The cubic root of 356646047 is about 709.1625694901.

The spelling of 356646047 in words is "three hundred fifty-six million, six hundred forty-six thousand, forty-seven".