2949637 has 2 divisors, whose sum is σ = 2949638. Its totient is φ = 2949636.

The previous prime is 2949629. The next prime is 2949643. The reversal of 2949637 is 7369492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1865956 + 1083681 = 1366^2 + 1041^2 .

It is a cyclic number.

It is not a de Polignac number, because 2949637 - 2³ = 2949629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2949637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2949647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1474818 + 1474819.

It is an arithmetic number, because the mean of its divisors is an integer number (1474819).

2^2949637 is an apocalyptic number.

It is an amenable number.

2949637 is a deficient number, since it is larger than the sum of its proper divisors (1).

2949637 is an equidigital number, since it uses as much as digits as its factorization.

2949637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 40.

The square root of 2949637 is about 1717.4507270952. The cubic root of 2949637 is about 143.4133313418.

The spelling of 2949637 in words is "two million, nine hundred forty-nine thousand, six hundred thirty-seven".