2076021 has 12 divisors (see below), whose sum is σ = 3013920. Its totient is φ = 1377000.

The previous prime is 2076007. The next prime is 2076043. The reversal of 2076021 is 1206702.

It is a happy number.

It is not a de Polignac number, because 2076021 - 2⁷ = 2075893 is a prime.

It is an Ulam number.

2076021 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2075985 and 2076003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2076001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1800 + ... + 2718.

It is an arithmetic number, because the mean of its divisors is an integer number (251160).

2^2076021 is an apocalyptic number.

It is an amenable number.

2076021 is a deficient number, since it is larger than the sum of its proper divisors (937899).

2076021 is a wasteful number, since it uses less digits than its factorization.

2076021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176 (or 1173 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 2076021 is about 1440.8403797784. The cubic root of 2076021 is about 127.5686366315.

The spelling of 2076021 in words is "two million, seventy-six thousand, twenty-one".