3663437 has 2 divisors, whose sum is σ = 3663438. Its totient is φ = 3663436.

The previous prime is 3663433. The next prime is 3663461. The reversal of 3663437 is 7343663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2292196 + 1371241 = 1514^2 + 1171^2 .

It is an emirp because it is prime and its reverse (7343663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3663437 - 2² = 3663433 is a prime.

It is a super-3 number, since 3×3663437³ (a number of 21 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3663433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1831718 + 1831719.

It is an arithmetic number, because the mean of its divisors is an integer number (1831719).

Almost surely, 2^3663437 is an apocalyptic number.

It is an amenable number.

3663437 is a deficient number, since it is larger than the sum of its proper divisors (1).

3663437 is an equidigital number, since it uses as much as digits as its factorization.

3663437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 32.

The square root of 3663437 is about 1914.0107105238. The cubic root of 3663437 is about 154.1568789825.

The spelling of 3663437 in words is "three million, six hundred sixty-three thousand, four hundred thirty-seven".