3330639 has 20 divisors (see below), whose sum is σ = 5359816. Its totient is φ = 2048976.

The previous prime is 3330617. The next prime is 3330641. The reversal of 3330639 is 9360333.

It is not a de Polignac number, because 3330639 - 2⁷ = 3330511 is a prime.

It is a super-2 number, since 2×3330639² = 22186312296642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3330659) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 529 + ... + 2634.

Almost surely, 2^3330639 is an apocalyptic number.

3330639 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

3330639 is a deficient number, since it is larger than the sum of its proper divisors (2029177).

3330639 is a wasteful number, since it uses less digits than its factorization.

3330639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3188 (or 3179 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 27.

The square root of 3330639 is about 1825.0038356124. The cubic root of 3330639 is about 149.3398993756.

It can be divided in two parts, 3330 and 639, that added together give a square (3969 = 63²).

The spelling of 3330639 in words is "three million, three hundred thirty thousand, six hundred thirty-nine".