3621026 has 8 divisors (see below), whose sum is σ = 5443740. Its totient is φ = 1806448.

The previous prime is 3621011. The next prime is 3621031. The reversal of 3621026 is 6201263.

It can be written as a sum of positive squares in 2 ways, for example, as 3613801 + 7225 = 1901^2 + 85^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3621026² = 26223658585352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3620989 and 3621007.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761 + ... + 2796.

Almost surely, 2^3621026 is an apocalyptic number.

3621026 is a deficient number, since it is larger than the sum of its proper divisors (1822714).

3621026 is a wasteful number, since it uses less digits than its factorization.

3621026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4068.

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

The square root of 3621026 is about 1902.8993667559. The cubic root of 3621026 is about 153.5596856457.

Adding to 3621026 its reverse (6201263), we get a palindrome (9822289).

The spelling of 3621026 in words is "three million, six hundred twenty-one thousand, twenty-six".