3320739 has 12 divisors (see below), whose sum is σ = 4819672. Its totient is φ = 2203200.

The previous prime is 3320699. The next prime is 3320749. The reversal of 3320739 is 9370233.

It is not a de Polignac number, because 3320739 - 2²¹ = 1223587 is a prime.

It is a super-2 number, since 2×3320739² = 22054615012242, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3⁵ + 3¹³ + 2¹⁷ + 0 + 7² + 3¹³ + 9³ .

It is a Duffinian number.

3320739 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3320749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1404 + ... + 2934.

Almost surely, 2^3320739 is an apocalyptic number.

3320739 is a deficient number, since it is larger than the sum of its proper divisors (1498933).

3320739 is a wasteful number, since it uses less digits than its factorization.

3320739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778 (or 1775 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 27.

The square root of 3320739 is about 1822.2894940157. The cubic root of 3320739 is about 149.1917864267.

The spelling of 3320739 in words is "three million, three hundred twenty thousand, seven hundred thirty-nine".