3387428 has 24 divisors (see below), whose sum is σ = 6519744. Its totient is φ = 1527200.

The previous prime is 3387421. The next prime is 3387443. The reversal of 3387428 is 8247833.

It is a super-2 number, since 2×3387428² = 22949336910368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3387421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7118 + ... + 7578.

It is an arithmetic number, because the mean of its divisors is an integer number (271656).

Almost surely, 2^3387428 is an apocalyptic number.

It is an amenable number.

3387428 is a deficient number, since it is larger than the sum of its proper divisors (3132316).

3387428 is a wasteful number, since it uses less digits than its factorization.

3387428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 641 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 3387428 is about 1840.4966720970. The cubic root of 3387428 is about 150.1838929822.

The spelling of 3387428 in words is "three million, three hundred eighty-seven thousand, four hundred twenty-eight".