2046021 has 16 divisors (see below), whose sum is σ = 2822400. Its totient is φ = 1317888.

The previous prime is 2046017. The next prime is 2046029. The reversal of 2046021 is 1206402.

It is not a de Polignac number, because 2046021 - 2² = 2046017 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2046029) 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 15 ways as a sum of consecutive naturals, for example, 21045 + ... + 21141.

It is an arithmetic number, because the mean of its divisors is an integer number (176400).

2^2046021 is an apocalyptic number.

It is an amenable number.

2046021 is a deficient number, since it is larger than the sum of its proper divisors (776379).

2046021 is an equidigital number, since it uses as much as digits as its factorization.

2046021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268.

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

The square root of 2046021 is about 1430.3919043395. The cubic root of 2046021 is about 126.9511664608.

The spelling of 2046021 in words is "two million, forty-six thousand, twenty-one".