3520866 has 8 divisors (see below), whose sum is σ = 7041744. Its totient is φ = 1173620.

The previous prime is 3520841. The next prime is 3520873. The reversal of 3520866 is 6680253.

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

3520866 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293400 + ... + 293411.

It is an arithmetic number, because the mean of its divisors is an integer number (880218).

Almost surely, 2^3520866 is an apocalyptic number.

3520866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3520866 is a wasteful number, since it uses less digits than its factorization.

3520866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586816.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 3520866 is about 1876.3970795117. The cubic root of 3520866 is about 152.1305722440.

The spelling of 3520866 in words is "three million, five hundred twenty thousand, eight hundred sixty-six".