3518864 has 30 divisors (see below), whose sum is σ = 7251954. Its totient is φ = 1653760.

The previous prime is 3518863. The next prime is 3518873. The reversal of 3518864 is 4688153.

It can be written as a sum of positive squares in 3 ways, for example, as 350464 + 3168400 = 592^2 + 1780^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3518863) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4244 + ... + 5004.

Almost surely, 2^3518864 is an apocalyptic number.

3518864 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3518864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3625977).

3518864 is an abundant number, since it is smaller than the sum of its proper divisors (3733090).

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

3518864 is a wasteful number, since it uses less digits than its factorization.

3518864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803 (or 780 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 3518864 is about 1875.8635344822. The cubic root of 3518864 is about 152.1017324501.

The spelling of 3518864 in words is "three million, five hundred eighteen thousand, eight hundred sixty-four".