3520844 has 6 divisors (see below), whose sum is σ = 6161484. Its totient is φ = 1760420.

The previous prime is 3520841. The next prime is 3520873. The reversal of 3520844 is 4480253.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3520841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440102 + ... + 440109.

It is an arithmetic number, because the mean of its divisors is an integer number (1026914).

Almost surely, 2^3520844 is an apocalyptic number.

It is an amenable number.

3520844 is a deficient number, since it is larger than the sum of its proper divisors (2640640).

3520844 is a wasteful number, since it uses less digits than its factorization.

3520844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880215 (or 880213 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 3520844 is about 1876.3912172039. The cubic root of 3520844 is about 152.1302553826.

The spelling of 3520844 in words is "three million, five hundred twenty thousand, eight hundred forty-four".