3258864 has 120 divisors (see below), whose sum is σ = 10793952. Its totient is φ = 898560.

The previous prime is 3258863. The next prime is 3258869. The reversal of 3258864 is 4688523.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3258863) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53394 + ... + 53454.

Almost surely, 2^3258864 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 3258864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5396976).

3258864 is an abundant number, since it is smaller than the sum of its proper divisors (7535088).

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

3258864 is a wasteful number, since it uses less digits than its factorization.

3258864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 126 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 3258864 is about 1805.2323950118. The cubic root of 3258864 is about 148.2593456150.

The spelling of 3258864 in words is "three million, two hundred fifty-eight thousand, eight hundred sixty-four".