3285428 has 12 divisors (see below), whose sum is σ = 5785920. Its totient is φ = 1632312.

The previous prime is 3285427. The next prime is 3285431. The reversal of 3285428 is 8245823.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3285394 and 3285403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3285421) 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, 1868 + ... + 3171.

It is an arithmetic number, because the mean of its divisors is an integer number (482160).

Almost surely, 2^3285428 is an apocalyptic number.

It is an amenable number.

3285428 is a deficient number, since it is larger than the sum of its proper divisors (2500492).

3285428 is a wasteful number, since it uses less digits than its factorization.

3285428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5206 (or 5204 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The square root of 3285428 is about 1812.5749639670. The cubic root of 3285428 is about 148.6610917985.

The spelling of 3285428 in words is "three million, two hundred eighty-five thousand, four hundred twenty-eight".