3248921 has 16 divisors (see below), whose sum is σ = 3781008. Its totient is φ = 2764800.

The previous prime is 3248909. The next prime is 3248939. The reversal of 3248921 is 1298423.

It can be written as a sum of positive squares in 8 ways, for example, as 151321 + 3097600 = 389^2 + 1760^2 .

It is a cyclic number.

It is not a de Polignac number, because 3248921 - 2¹⁸ = 2986777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3248941) 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, 13361 + ... + 13601.

It is an arithmetic number, because the mean of its divisors is an integer number (236313).

Almost surely, 2^3248921 is an apocalyptic number.

It is an amenable number.

3248921 is a deficient number, since it is larger than the sum of its proper divisors (532087).

3248921 is a wasteful number, since it uses less digits than its factorization.

3248921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332.

The product of its digits is 3456, while the sum is 29.

The square root of 3248921 is about 1802.4763521334. The cubic root of 3248921 is about 148.1084091277.

The spelling of 3248921 in words is "three million, two hundred forty-eight thousand, nine hundred twenty-one".