2826921 has 16 divisors (see below), whose sum is σ = 3939840. Its totient is φ = 1800960.

The previous prime is 2826919. The next prime is 2826979. The reversal of 2826921 is 1296282.

It is not a de Polignac number, because 2826921 - 2¹ = 2826919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2826121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10375 + ... + 10643.

It is an arithmetic number, because the mean of its divisors is an integer number (246240).

2^2826921 is an apocalyptic number.

It is an amenable number.

2826921 is a deficient number, since it is larger than the sum of its proper divisors (1112919).

2826921 is a wasteful number, since it uses less digits than its factorization.

2826921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416.

The product of its digits is 3456, while the sum is 30.

The square root of 2826921 is about 1681.3449973161. The cubic root of 2826921 is about 141.3962497013.

The spelling of 2826921 in words is "two million, eight hundred twenty-six thousand, nine hundred twenty-one".