2092821 has 8 divisors (see below), whose sum is σ = 2818464. Its totient is φ = 1381200.

The previous prime is 2092817. The next prime is 2092823. The reversal of 2092821 is 1282902.

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

It is not a de Polignac number, because 2092821 - 2² = 2092817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2092791 and 2092800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2092823) 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, 3151 + ... + 3756.

It is an arithmetic number, because the mean of its divisors is an integer number (352308).

2^2092821 is an apocalyptic number.

It is an amenable number.

2092821 is a deficient number, since it is larger than the sum of its proper divisors (725643).

2092821 is a wasteful number, since it uses less digits than its factorization.

2092821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7011.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2092821 is about 1446.6585637254. The cubic root of 2092821 is about 127.9118248523.

The spelling of 2092821 in words is "two million, ninety-two thousand, eight hundred twenty-one".