3538864 has 40 divisors (see below), whose sum is σ = 8253440. Its totient is φ = 1435968.

The previous prime is 3538859. The next prime is 3538889. The reversal of 3538864 is 4688353.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1297 + ... + 2959.

It is an arithmetic number, because the mean of its divisors is an integer number (206336).

Almost surely, 2^3538864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3538864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4126720).

3538864 is an abundant number, since it is smaller than the sum of its proper divisors (4714576).

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

3538864 is a wasteful number, since it uses less digits than its factorization.

3538864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697 (or 1691 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 3538864 is about 1881.1868594055. The cubic root of 3538864 is about 152.3893526867.

The spelling of 3538864 in words is "three million, five hundred thirty-eight thousand, eight hundred sixty-four".