3387649 has 4 divisors (see below), whose sum is σ = 3496960. Its totient is φ = 3278340.

The previous prime is 3387613. The next prime is 3387653. The reversal of 3387649 is 9467833.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3387649 - 2¹⁵ = 3354881 is a prime.

It is a super-2 number, since 2×3387649² = 22952331494402, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3387679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54609 + ... + 54670.

It is an arithmetic number, because the mean of its divisors is an integer number (874240).

Almost surely, 2^3387649 is an apocalyptic number.

It is an amenable number.

3387649 is a deficient number, since it is larger than the sum of its proper divisors (109311).

3387649 is a wasteful number, since it uses less digits than its factorization.

3387649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109310.

The product of its digits is 108864, while the sum is 40.

The square root of 3387649 is about 1840.5567092595. The cubic root of 3387649 is about 150.1871589723.

The spelling of 3387649 in words is "three million, three hundred eighty-seven thousand, six hundred forty-nine".