3621426 has 16 divisors (see below), whose sum is σ = 7345728. Its totient is φ = 1190000.

The previous prime is 3621403. The next prime is 3621461. The reversal of 3621426 is 6241263.

It is a super-2 number, since 2×3621426² = 26229452546952, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3² + 6⁸ + 2³ + 1 + 4⁹ + 2⁵ + 6⁸ .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3621396 and 3621405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3825 + ... + 4676.

It is an arithmetic number, because the mean of its divisors is an integer number (459108).

Almost surely, 2^3621426 is an apocalyptic number.

3621426 is an abundant number, since it is smaller than the sum of its proper divisors (3724302).

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

3621426 is a wasteful number, since it uses less digits than its factorization.

3621426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8577.

The product of its digits is 1728, while the sum is 24.

The square root of 3621426 is about 1903.0044666264. The cubic root of 3621426 is about 153.5653398086.

Adding to 3621426 its reverse (6241263), we get a palindrome (9862689).

The spelling of 3621426 in words is "three million, six hundred twenty-one thousand, four hundred twenty-six".