3287388 has 36 divisors (see below), whose sum is σ = 8311128. Its totient is φ = 1010880.

The previous prime is 3287359. The next prime is 3287429. The reversal of 3287388 is 8837823.

It is a happy number.

3287388 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1218 + ... + 2838.

Almost surely, 2^3287388 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 3287388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4155564).

3287388 is an abundant number, since it is smaller than the sum of its proper divisors (5023740).

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

3287388 is a wasteful number, since it uses less digits than its factorization.

3287388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654 (or 1639 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 3287388 is about 1813.1155506476. The cubic root of 3287388 is about 148.6906483552.

The spelling of 3287388 in words is "three million, two hundred eighty-seven thousand, three hundred eighty-eight".