2064021 has 8 divisors (see below), whose sum is σ = 2913984. Its totient is φ = 1295040.

The previous prime is 2063993. The next prime is 2064031. The reversal of 2064021 is 1204602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2064021 - 2¹³ = 2055829 is a prime.

2064021 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20185 + ... + 20286.

It is an arithmetic number, because the mean of its divisors is an integer number (364248).

2^2064021 is an apocalyptic number.

It is an amenable number.

2064021 is a deficient number, since it is larger than the sum of its proper divisors (849963).

2064021 is a wasteful number, since it uses less digits than its factorization.

2064021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40491.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2064021 is about 1436.6701082712. The cubic root of 2064021 is about 127.3223670158.

Adding to 2064021 its reverse (1204602), we get a palindrome (3268623).

It can be divided in two parts, 206402 and 1, that added together give a triangular number (206403 = T₆₄₂).

The spelling of 2064021 in words is "two million, sixty-four thousand, twenty-one".