3626021 has 12 divisors (see below), whose sum is σ = 4247712. Its totient is φ = 3031704.

The previous prime is 3626011. The next prime is 3626033. The reversal of 3626021 is 1206263.

3626021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3626021 - 2¹⁴ = 3609637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3625984 and 3626002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3626011) 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 11 ways as a sum of consecutive naturals, for example, 43646 + ... + 43728.

It is an arithmetic number, because the mean of its divisors is an integer number (353976).

Almost surely, 2^3626021 is an apocalyptic number.

It is an amenable number.

3626021 is a deficient number, since it is larger than the sum of its proper divisors (621691).

3626021 is an frugal number, since it uses more digits than its factorization.

3626021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3626021 is about 1904.2113853246. The cubic root of 3626021 is about 153.6302621626.

The spelling of 3626021 in words is "three million, six hundred twenty-six thousand, twenty-one".