3237021 has 12 divisors (see below), whose sum is σ = 4950972. Its totient is φ = 2030976.

The previous prime is 3236993. The next prime is 3237023. The reversal of 3237021 is 1207323.

3237021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1102500 + 2134521 = 1050^2 + 1461^2 .

It is not a de Polignac number, because 3237021 - 2⁶ = 3236957 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3236985 and 3237003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3237023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10426 + ... + 10731.

It is an arithmetic number, because the mean of its divisors is an integer number (412581).

Almost surely, 2^3237021 is an apocalyptic number.

It is an amenable number.

3237021 is a deficient number, since it is larger than the sum of its proper divisors (1713951).

3237021 is a wasteful number, since it uses less digits than its factorization.

3237021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21180 (or 21177 counting only the distinct ones).

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

The square root of 3237021 is about 1799.1723097024. The cubic root of 3237021 is about 147.9273596537.

The spelling of 3237021 in words is "three million, two hundred thirty-seven thousand, twenty-one".