2821049 has 8 divisors (see below), whose sum is σ = 3517248. Its totient is φ = 2198160.

The previous prime is 2821009. The next prime is 2821057. The reversal of 2821049 is 9401282.

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 2821049 - 2¹² = 2816953 is a prime.

It is a Curzon number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (2821009) 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, 18242 + ... + 18395.

It is an arithmetic number, because the mean of its divisors is an integer number (439656).

2^2821049 is an apocalyptic number.

It is an amenable number.

2821049 is a deficient number, since it is larger than the sum of its proper divisors (696199).

2821049 is a wasteful number, since it uses less digits than its factorization.

2821049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36655.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2821049 is about 1679.5978685388. The cubic root of 2821049 is about 141.2982804125.

It can be divided in two parts, 282 and 1049, that added together give a palindrome (1331).

The spelling of 2821049 in words is "two million, eight hundred twenty-one thousand, forty-nine".