2102849 has 16 divisors (see below), whose sum is σ = 2612736. Its totient is φ = 1651200.

The previous prime is 2102839. The next prime is 2102851. The reversal of 2102849 is 9482012.

2102849 = 232² + 233² + ... + 265².

It is a cyclic number.

It is not a de Polignac number, because 2102849 - 2⁸ = 2102593 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102809) 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, 4664 + ... + 5094.

It is an arithmetic number, because the mean of its divisors is an integer number (163296).

2^2102849 is an apocalyptic number.

It is an amenable number.

2102849 is a deficient number, since it is larger than the sum of its proper divisors (509887).

2102849 is a wasteful number, since it uses less digits than its factorization.

2102849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496.

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

The square root of 2102849 is about 1450.1203398339. The cubic root of 2102849 is about 128.1158009656.

The spelling of 2102849 in words is "two million, one hundred two thousand, eight hundred forty-nine".