2912849 has 2 divisors, whose sum is σ = 2912850. Its totient is φ = 2912848.

The previous prime is 2912839. The next prime is 2912851. The reversal of 2912849 is 9482192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1795600 + 1117249 = 1340^2 + 1057^2 .

It is a cyclic number.

It is not a de Polignac number, because 2912849 - 2¹² = 2908753 is a prime.

Together with 2912851, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2912839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1456424 + 1456425.

It is an arithmetic number, because the mean of its divisors is an integer number (1456425).

2^2912849 is an apocalyptic number.

It is an amenable number.

2912849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2912849 is an equidigital number, since it uses as much as digits as its factorization.

2912849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 35.

The square root of 2912849 is about 1706.7070633240. The cubic root of 2912849 is about 142.8146162464.

The spelling of 2912849 in words is "two million, nine hundred twelve thousand, eight hundred forty-nine".