2070321 has 16 divisors (see below), whose sum is σ = 3083520. Its totient is φ = 1224720.

The previous prime is 2070319. The next prime is 2070323. The reversal of 2070321 is 1230702.

It is an interprime number because it is at equal distance from previous prime (2070319) and next prime (2070323).

It is not a de Polignac number, because 2070321 - 2¹ = 2070319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2070321.

It is not an unprimeable number, because it can be changed into a prime (2070323) 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 15 ways as a sum of consecutive naturals, for example, 690 + ... + 2148.

It is an arithmetic number, because the mean of its divisors is an integer number (192720).

2^2070321 is an apocalyptic number.

It is an amenable number.

2070321 is a deficient number, since it is larger than the sum of its proper divisors (1013199).

2070321 is a wasteful number, since it uses less digits than its factorization.

2070321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 2070321 is about 1438.8610078809. The cubic root of 2070321 is about 127.4517772269.

The spelling of 2070321 in words is "two million, seventy thousand, three hundred twenty-one".