3641626 has 4 divisors (see below), whose sum is σ = 5462442. Its totient is φ = 1820812.

The previous prime is 3641623. The next prime is 3641629. The reversal of 3641626 is 6261463.

3641626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6261463 = 13 ⋅481651.

It is an interprime number because it is at equal distance from previous prime (3641623) and next prime (3641629).

It can be written as a sum of positive squares in only one way, i.e., 2893401 + 748225 = 1701^2 + 865^2 .

It is a super-2 number, since 2×3641626² = 26522879847752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3641594 and 3641603.

It is not an unprimeable number, because it can be changed into a prime (3641623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 910405 + ... + 910408.

Almost surely, 2^3641626 is an apocalyptic number.

3641626 is a deficient number, since it is larger than the sum of its proper divisors (1820816).

3641626 is a wasteful number, since it uses less digits than its factorization.

3641626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820815.

The product of its digits is 5184, while the sum is 28.

The square root of 3641626 is about 1908.3044830425. The cubic root of 3641626 is about 153.8503352838.

The spelling of 3641626 in words is "three million, six hundred forty-one thousand, six hundred twenty-six".