3663446 has 4 divisors (see below), whose sum is σ = 5495172. Its totient is φ = 1831722.

The previous prime is 3663437. The next prime is 3663461. The reversal of 3663446 is 6443663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6443663 = 17 ⋅379039.

It is a d-powerful number, because it can be written as 3⁵ + 6⁷ + 6⁸ + 3⁹ + 4⁴ + 4⁶ + 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, 915860 + ... + 915863.

It is an arithmetic number, because the mean of its divisors is an integer number (1373793).

Almost surely, 2^3663446 is an apocalyptic number.

3663446 is a deficient number, since it is larger than the sum of its proper divisors (1831726).

3663446 is a wasteful number, since it uses less digits than its factorization.

3663446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831725.

The product of its digits is 31104, while the sum is 32.

The square root of 3663446 is about 1914.0130616064. The cubic root of 3663446 is about 154.1570052220.

The spelling of 3663446 in words is "three million, six hundred sixty-three thousand, four hundred forty-six".