3520870 has 32 divisors (see below), whose sum is σ = 6804000. Its totient is φ = 1307136.

The previous prime is 3520841. The next prime is 3520873. The reversal of 3520870 is 780253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520873) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 23556 + ... + 23704.

It is an arithmetic number, because the mean of its divisors is an integer number (212625).

Almost surely, 2^3520870 is an apocalyptic number.

3520870 is a deficient number, since it is larger than the sum of its proper divisors (3283130).

3520870 is a wasteful number, since it uses less digits than its factorization.

3520870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 3520870 is about 1876.3981453839. The cubic root of 3520870 is about 152.1306298551.

The spelling of 3520870 in words is "three million, five hundred twenty thousand, eight hundred seventy".