2746021 has 2 divisors, whose sum is σ = 2746022. Its totient is φ = 2746020.

The previous prime is 2745989. The next prime is 2746031. The reversal of 2746021 is 1206472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1822500 + 923521 = 1350^2 + 961^2 .

It is a cyclic number.

It is not a de Polignac number, because 2746021 - 2⁵ = 2745989 is a prime.

It is a super-4 number, since 4×2746021⁴ (a number of 27 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2745983 and 2746001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2746031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1373010 + 1373011.

It is an arithmetic number, because the mean of its divisors is an integer number (1373011).

2^2746021 is an apocalyptic number.

It is an amenable number.

2746021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2746021 is an equidigital number, since it uses as much as digits as its factorization.

2746021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2746021 is about 1657.1122472542. The cubic root of 2746021 is about 140.0343623135.

The spelling of 2746021 in words is "two million, seven hundred forty-six thousand, twenty-one".