3669557 has 2 divisors, whose sum is σ = 3669558. Its totient is φ = 3669556.

The previous prime is 3669553. The next prime is 3669583. The reversal of 3669557 is 7559663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2337841 + 1331716 = 1529^2 + 1154^2 .

It is a cyclic number.

It is not a de Polignac number, because 3669557 - 2² = 3669553 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 (3669553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1834778 + 1834779.

It is an arithmetic number, because the mean of its divisors is an integer number (1834779).

Almost surely, 2^3669557 is an apocalyptic number.

It is an amenable number.

3669557 is a deficient number, since it is larger than the sum of its proper divisors (1).

3669557 is an equidigital number, since it uses as much as digits as its factorization.

3669557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 170100, while the sum is 41.

The square root of 3669557 is about 1915.6087805186. The cubic root of 3669557 is about 154.2426741186.

It can be divided in two parts, 36 and 69557, that multiplied together give a palindrome (2504052).

The spelling of 3669557 in words is "three million, six hundred sixty-nine thousand, five hundred fifty-seven".