3421888 has 28 divisors (see below), whose sum is σ = 6860032. Its totient is φ = 1693440.

The previous prime is 3421877. The next prime is 3421903. The reversal of 3421888 is 8881243.

3421888 = 97² + 98² + ... + 223².

3421888 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, 7918 + ... + 8338.

Almost surely, 2^3421888 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 3421888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3430016).

3421888 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.

3421888 is a wasteful number, since it uses less digits than its factorization.

3421888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 550 counting only the distinct ones).

The product of its digits is 12288, while the sum is 34.

The square root of 3421888 is about 1849.8345871996. The cubic root of 3421888 is about 150.6914448332.

The spelling of 3421888 in words is "three million, four hundred twenty-one thousand, eight hundred eighty-eight".