3387656 has 8 divisors (see below), whose sum is σ = 6351870. Its totient is φ = 1693824.

The previous prime is 3387653. The next prime is 3387673. The reversal of 3387656 is 6567833.

It can be written as a sum of positive squares in only one way, i.e., 3276100 + 111556 = 1810^2 + 334^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3387656² = 22952426348672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3387653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211721 + ... + 211736.

Almost surely, 2^3387656 is an apocalyptic number.

It is an amenable number.

3387656 is a deficient number, since it is larger than the sum of its proper divisors (2964214).

3387656 is a wasteful number, since it uses less digits than its factorization.

3387656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423463 (or 423459 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 3387656 is about 1840.5586108570. The cubic root of 3387656 is about 150.1872624176.

The spelling of 3387656 in words is "three million, three hundred eighty-seven thousand, six hundred fifty-six".