2826421 has 8 divisors (see below), whose sum is σ = 3204320. Its totient is φ = 2471472.

The previous prime is 2826413. The next prime is 2826431. The reversal of 2826421 is 1246282.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2826421 - 2³ = 2826413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2826431) 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, 5475 + ... + 5968.

It is an arithmetic number, because the mean of its divisors is an integer number (400540).

2^2826421 is an apocalyptic number.

It is an amenable number.

2826421 is a deficient number, since it is larger than the sum of its proper divisors (377899).

2826421 is a wasteful number, since it uses less digits than its factorization.

2826421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11475.

The product of its digits is 1536, while the sum is 25.

The square root of 2826421 is about 1681.1963002576. The cubic root of 2826421 is about 141.3879129168.

The spelling of 2826421 in words is "two million, eight hundred twenty-six thousand, four hundred twenty-one".