3621446 has 4 divisors (see below), whose sum is σ = 5432172. Its totient is φ = 1810722.

The previous prime is 3621403. The next prime is 3621461. The reversal of 3621446 is 6441263.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6441263 = 401 ⋅16063.

It is a super-2 number, since 2×3621446² = 26229742261832, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3 + 6⁸ + 2 + 1 + 4³ + 4⁹ + 6⁸ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 905360 + ... + 905363.

It is an arithmetic number, because the mean of its divisors is an integer number (1358043).

Almost surely, 2^3621446 is an apocalyptic number.

3621446 is a deficient number, since it is larger than the sum of its proper divisors (1810726).

3621446 is a wasteful number, since it uses less digits than its factorization.

3621446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810725.

The product of its digits is 3456, while the sum is 26.

The square root of 3621446 is about 1903.0097214675. The cubic root of 3621446 is about 153.5656225058.

The spelling of 3621446 in words is "three million, six hundred twenty-one thousand, four hundred forty-six".