2906147 has 2 divisors, whose sum is σ = 2906148. Its totient is φ = 2906146.

The previous prime is 2906143. The next prime is 2906153. The reversal of 2906147 is 7416092.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2906147 - 2² = 2906143 is a prime.

It is a super-3 number, since 3×2906147³ = 73633253331199315569, which contains 333 as substring.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2906143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1453073 + 1453074.

It is an arithmetic number, because the mean of its divisors is an integer number (1453074).

2^2906147 is an apocalyptic number.

2906147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2906147 is an equidigital number, since it uses as much as digits as its factorization.

2906147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 2906147 is about 1704.7425025499. The cubic root of 2906147 is about 142.7050009321.

The spelling of 2906147 in words is "two million, nine hundred six thousand, one hundred forty-seven".