3320638 has 16 divisors (see below), whose sum is σ = 5132160. Its totient is φ = 1610776.

The previous prime is 3320623. The next prime is 3320651. The reversal of 3320638 is 8360233.

It is a super-2 number, since 2×3320638² = 22053273454088, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12495 + ... + 12757.

It is an arithmetic number, because the mean of its divisors is an integer number (320760).

Almost surely, 2^3320638 is an apocalyptic number.

3320638 is a deficient number, since it is larger than the sum of its proper divisors (1811522).

3320638 is a wasteful number, since it uses less digits than its factorization.

3320638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 3320638 is about 1822.2617814134. The cubic root of 3320638 is about 149.1902738594.

The spelling of 3320638 in words is "three million, three hundred twenty thousand, six hundred thirty-eight".