3308661 has 32 divisors (see below), whose sum is σ = 5222400. Its totient is φ = 2067120.

The previous prime is 3308653. The next prime is 3308663. The reversal of 3308661 is 1668033.

It is not a de Polignac number, because 3308661 - 2³ = 3308653 is a prime.

It is a super-2 number, since 2×3308661² = 21894475225842, which contains 22 as substring.

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

It is a Curzon number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3308663) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 49350 + ... + 49416.

It is an arithmetic number, because the mean of its divisors is an integer number (163200).

Almost surely, 2^3308661 is an apocalyptic number.

3308661 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3308661 is a deficient number, since it is larger than the sum of its proper divisors (1913739).

3308661 is a wasteful number, since it uses less digits than its factorization.

3308661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 3308661 is about 1818.9725121617. The cubic root of 3308661 is about 149.0106894423.

It can be divided in two parts, 3308 and 661, that added together give a square (3969 = 63²).

The spelling of 3308661 in words is "three million, three hundred eight thousand, six hundred sixty-one".