3293428 has 6 divisors (see below), whose sum is σ = 5763506. Its totient is φ = 1646712.

The previous prime is 3293419. The next prime is 3293429. The reversal of 3293428 is 8243923.

It can be written as a sum of positive squares in only one way, i.e., 1710864 + 1582564 = 1308^2 + 1258^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3293428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3293429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411675 + ... + 411682.

Almost surely, 2^3293428 is an apocalyptic number.

It is an amenable number.

3293428 is a deficient number, since it is larger than the sum of its proper divisors (2470078).

3293428 is a wasteful number, since it uses less digits than its factorization.

3293428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823361 (or 823359 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 3293428 is about 1814.7804274898. The cubic root of 3293428 is about 148.7816569866.

It can be divided in two parts, 3293 and 428, that added together give a square (3721 = 61²).

The spelling of 3293428 in words is "three million, two hundred ninety-three thousand, four hundred twenty-eight".