3520538 has 8 divisors (see below), whose sum is σ = 6035232. Its totient is φ = 1508796.

The previous prime is 3520537. The next prime is 3520549. The reversal of 3520538 is 8350253.

3520538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3520537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125720 + ... + 125747.

It is an arithmetic number, because the mean of its divisors is an integer number (754404).

Almost surely, 2^3520538 is an apocalyptic number.

3520538 is a deficient number, since it is larger than the sum of its proper divisors (2514694).

3520538 is a wasteful number, since it uses less digits than its factorization.

3520538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251476.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 3520538 is about 1876.3096759331. The cubic root of 3520538 is about 152.1258479918.

The spelling of 3520538 in words is "three million, five hundred twenty thousand, five hundred thirty-eight".