3421248 has 56 divisors (see below), whose sum is σ = 9192768. Its totient is φ = 1122816.

The previous prime is 3421241. The next prime is 3421321. The reversal of 3421248 is 8421243.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (3421241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19690 + ... + 19862.

Almost surely, 2^3421248 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 3421248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4596384).

3421248 is an abundant number, since it is smaller than the sum of its proper divisors (5771520).

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

3421248 is a wasteful number, since it uses less digits than its factorization.

3421248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 281 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 3421248 is about 1849.6615906700. The cubic root of 3421248 is about 150.6820495775.

The spelling of 3421248 in words is "three million, four hundred twenty-one thousand, two hundred forty-eight".