2103988 has 12 divisors (see below), whose sum is σ = 3898692. Its totient is φ = 990080.

The previous prime is 2103977. The next prime is 2103989. The reversal of 2103988 is 8893012.

It can be written as a sum of positive squares in 2 ways, for example, as 1127844 + 976144 = 1062^2 + 988^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15403 + ... + 15538.

It is an arithmetic number, because the mean of its divisors is an integer number (324891).

2^2103988 is an apocalyptic number.

It is an amenable number.

2103988 is a deficient number, since it is larger than the sum of its proper divisors (1794704).

2103988 is a wasteful number, since it uses less digits than its factorization.

2103988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30962 (or 30960 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 2103988 is about 1450.5130126959. The cubic root of 2103988 is about 128.1389279327.

The spelling of 2103988 in words is "two million, one hundred three thousand, nine hundred eighty-eight".