2108745 has 12 divisors (see below), whose sum is σ = 3655236. Its totient is φ = 1124640.

The previous prime is 2108737. The next prime is 2108759. The reversal of 2108745 is 5478012.

It can be written as a sum of positive squares in 2 ways, for example, as 788544 + 1320201 = 888^2 + 1149^2 .

It is not a de Polignac number, because 2108745 - 2³ = 2108737 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23386 + ... + 23475.

It is an arithmetic number, because the mean of its divisors is an integer number (304603).

2^2108745 is an apocalyptic number.

It is an amenable number.

2108745 is a deficient number, since it is larger than the sum of its proper divisors (1546491).

2108745 is a wasteful number, since it uses less digits than its factorization.

2108745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46872 (or 46869 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 2108745 is about 1452.1518515637. The cubic root of 2108745 is about 128.2354269090.

The spelling of 2108745 in words is "two million, one hundred eight thousand, seven hundred forty-five".