4021248 has 176 divisors, whose sum is σ = 14148864. Its totient is φ = 983040.

The previous prime is 4021247. The next prime is 4021249. The reversal of 4021248 is 8421204.

It is an interprime number because it is at equal distance from previous prime (4021247) and next prime (4021249).

It is a tau number, because it is divible by the number of its divisors (176).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236536 + ... + 236552.

Almost surely, 2^4021248 is an apocalyptic number.

4021248 is a gapful number since it is divisible by the number (48) 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 4021248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7074432).

4021248 is an abundant number, since it is smaller than the sum of its proper divisors (10127616).

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

4021248 is a wasteful number, since it uses less digits than its factorization.

4021248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 4021248 is about 2005.3049643383. The cubic root of 4021248 is about 159.0206847817.

The spelling of 4021248 in words is "four million, twenty-one thousand, two hundred forty-eight".