2108836 has 6 divisors (see below), whose sum is σ = 3690470. Its totient is φ = 1054416.

The previous prime is 2108819. The next prime is 2108839. The reversal of 2108836 is 6388012.

It can be written as a sum of positive squares in only one way, i.e., 1806336 + 302500 = 1344^2 + 550^2 .

It is a d-powerful number, because it can be written as 2¹³ + 1 + 0 + 8 + 8⁷ + 3⁷ + 6⁴ .

It is not an unprimeable number, because it can be changed into a prime (2108839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263601 + ... + 263608.

2^2108836 is an apocalyptic number.

It is an amenable number.

2108836 is a deficient number, since it is larger than the sum of its proper divisors (1581634).

2108836 is a wasteful number, since it uses less digits than its factorization.

2108836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527213 (or 527211 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2108836 is about 1452.1831840371. The cubic root of 2108836 is about 128.2372714905.

The spelling of 2108836 in words is "two million, one hundred eight thousand, eight hundred thirty-six".