3641628 has 12 divisors (see below), whose sum is σ = 8497160. Its totient is φ = 1213872.

The previous prime is 3641623. The next prime is 3641629. The reversal of 3641628 is 8261463.

3641628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3641628² = 26522908980768, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3641595 and 3641604.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 151723 + ... + 151746.

Almost surely, 2^3641628 is an apocalyptic number.

It is an amenable number.

3641628 is an abundant number, since it is smaller than the sum of its proper divisors (4855532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3641628 is a wasteful number, since it uses less digits than its factorization.

3641628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303476 (or 303474 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 3641628 is about 1908.3050070678. The cubic root of 3641628 is about 153.8503634489.

The spelling of 3641628 in words is "three million, six hundred forty-one thousand, six hundred twenty-eight".