3372021 has 6 divisors (see below), whose sum is σ = 4870710. Its totient is φ = 2248008.

The previous prime is 3372013. The next prime is 3372023. The reversal of 3372021 is 1202733.

It can be written as a sum of positive squares in only one way, i.e., 3132900 + 239121 = 1770^2 + 489^2 .

It is not a de Polignac number, because 3372021 - 2³ = 3372013 is a prime.

It is a super-2 number, since 2×3372021² = 22741051248882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3371985 and 3372003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3372023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 187326 + ... + 187343.

It is an arithmetic number, because the mean of its divisors is an integer number (811785).

Almost surely, 2^3372021 is an apocalyptic number.

It is an amenable number.

3372021 is a deficient number, since it is larger than the sum of its proper divisors (1498689).

3372021 is a wasteful number, since it uses less digits than its factorization.

3372021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374675 (or 374672 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 3372021 is about 1836.3063469912. The cubic root of 3372021 is about 149.9558536753.

Adding to 3372021 its reverse (1202733), we get a palindrome (4574754).

The spelling of 3372021 in words is "three million, three hundred seventy-two thousand, twenty-one".