3248021 has 4 divisors (see below), whose sum is σ = 3712032. Its totient is φ = 2784012.

The previous prime is 3248017. The next prime is 3248023. The reversal of 3248021 is 1208423.

3248021 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3248021 - 2² = 3248017 is a prime.

It is a Duffinian number.

3248021 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 3247984 and 3248002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3248023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231995 + ... + 232008.

It is an arithmetic number, because the mean of its divisors is an integer number (928008).

Almost surely, 2^3248021 is an apocalyptic number.

It is an amenable number.

3248021 is a deficient number, since it is larger than the sum of its proper divisors (464011).

3248021 is an equidigital number, since it uses as much as digits as its factorization.

3248021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464010.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 3248021 is about 1802.2266783066. The cubic root of 3248021 is about 148.0947317787.

The spelling of 3248021 in words is "three million, two hundred forty-eight thousand, twenty-one".