3641437 has 2 divisors, whose sum is σ = 3641438. Its totient is φ = 3641436.

The previous prime is 3641431. The next prime is 3641441. The reversal of 3641437 is 7341463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2056356 + 1585081 = 1434^2 + 1259^2 .

It is an emirp because it is prime and its reverse (7341463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3641437 - 2¹⁵ = 3608669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3641431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1820718 + 1820719.

It is an arithmetic number, because the mean of its divisors is an integer number (1820719).

Almost surely, 2^3641437 is an apocalyptic number.

It is an amenable number.

3641437 is a deficient number, since it is larger than the sum of its proper divisors (1).

3641437 is an equidigital number, since it uses as much as digits as its factorization.

3641437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 28.

The square root of 3641437 is about 1908.2549620006. The cubic root of 3641437 is about 153.8476736324.

The spelling of 3641437 in words is "three million, six hundred forty-one thousand, four hundred thirty-seven".