3630437 has 2 divisors, whose sum is σ = 3630438. Its totient is φ = 3630436.

The previous prime is 3630433. The next prime is 3630461. The reversal of 3630437 is 7340363.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3556996 + 73441 = 1886^2 + 271^2 .

It is an emirp because it is prime and its reverse (7340363) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3630437 - 2² = 3630433 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3630433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1815218 + 1815219.

It is an arithmetic number, because the mean of its divisors is an integer number (1815219).

Almost surely, 2^3630437 is an apocalyptic number.

It is an amenable number.

3630437 is a deficient number, since it is larger than the sum of its proper divisors (1).

3630437 is an equidigital number, since it uses as much as digits as its factorization.

3630437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 26.

The square root of 3630437 is about 1905.3705676324. The cubic root of 3630437 is about 153.6926037772.

The spelling of 3630437 in words is "three million, six hundred thirty thousand, four hundred thirty-seven".