2106347 has 2 divisors, whose sum is σ = 2106348. Its totient is φ = 2106346.

The previous prime is 2106343. The next prime is 2106353. The reversal of 2106347 is 7436012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2106347 - 2² = 2106343 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 1 + 0 + 6³ + 3⁸ + 4² + 7⁴ .

It is not a weakly prime, because it can be changed into another prime (2106341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053173 + 1053174.

It is an arithmetic number, because the mean of its divisors is an integer number (1053174).

2^2106347 is an apocalyptic number.

2106347 is a deficient number, since it is larger than the sum of its proper divisors (1).

2106347 is an equidigital number, since it uses as much as digits as its factorization.

2106347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 2106347 is about 1451.3259454719. The cubic root of 2106347 is about 128.1868000100.

The spelling of 2106347 in words is "two million, one hundred six thousand, three hundred forty-seven".