3641629 has 2 divisors, whose sum is σ = 3641630. Its totient is φ = 3641628.

The previous prime is 3641623. The next prime is 3641633. The reversal of 3641629 is 9261463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3617604 + 24025 = 1902^2 + 155^2 .

It is a cyclic number.

It is not a de Polignac number, because 3641629 - 2¹⁷ = 3510557 is a prime.

It is a super-2 number, since 2×3641629² = 26522923547282, which contains 22 as substring.

It is equal to p₂₅₉₅₃₇ and since 3641629 and 259537 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3641629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3641623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1820814 + 1820815.

It is an arithmetic number, because the mean of its divisors is an integer number (1820815).

Almost surely, 2^3641629 is an apocalyptic number.

It is an amenable number.

3641629 is a deficient number, since it is larger than the sum of its proper divisors (1).

3641629 is an equidigital number, since it uses as much as digits as its factorization.

3641629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 31.

The square root of 3641629 is about 1908.3052690804. The cubic root of 3641629 is about 153.8503775315.

The spelling of 3641629 in words is "three million, six hundred forty-one thousand, six hundred twenty-nine".