3520284 has 12 divisors (see below), whose sum is σ = 8214024. Its totient is φ = 1173424.

The previous prime is 3520261. The next prime is 3520303. The reversal of 3520284 is 4820253.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146667 + ... + 146690.

It is an arithmetic number, because the mean of its divisors is an integer number (684502).

Almost surely, 2^3520284 is an apocalyptic number.

It is an amenable number.

3520284 is an abundant number, since it is smaller than the sum of its proper divisors (4693740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3520284 is a wasteful number, since it uses less digits than its factorization.

3520284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293364 (or 293362 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 3520284 is about 1876.2419886571. The cubic root of 3520284 is about 152.1221893754.

The spelling of 3520284 in words is "three million, five hundred twenty thousand, two hundred eighty-four".