3242921 has 6 divisors (see below), whose sum is σ = 3564666. Its totient is φ = 2948000.

The previous prime is 3242909. The next prime is 3242923. The reversal of 3242921 is 1292423.

It can be written as a sum of positive squares in only one way, i.e., 2544025 + 698896 = 1595^2 + 836^2 .

It is not a de Polignac number, because 3242921 - 2¹⁴ = 3226537 is a prime.

It is a super-2 number, since 2×3242921² = 21033073224482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3242923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13280 + ... + 13521.

It is an arithmetic number, because the mean of its divisors is an integer number (594111).

Almost surely, 2^3242921 is an apocalyptic number.

It is an amenable number.

3242921 is a deficient number, since it is larger than the sum of its proper divisors (321745).

3242921 is a wasteful number, since it uses less digits than its factorization.

3242921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26823 (or 26812 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 3242921 is about 1800.8112060957. The cubic root of 3242921 is about 148.0171790383.

The spelling of 3242921 in words is "three million, two hundred forty-two thousand, nine hundred twenty-one".