2105948 has 12 divisors (see below), whose sum is σ = 3969000. Its totient is φ = 971952.

The previous prime is 2105947. The next prime is 2105953. The reversal of 2105948 is 8495012.

It is a self number, because there is not a number n which added to its sum of digits gives 2105948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20198 + ... + 20301.

It is an arithmetic number, because the mean of its divisors is an integer number (330750).

2^2105948 is an apocalyptic number.

It is an amenable number.

2105948 is a deficient number, since it is larger than the sum of its proper divisors (1863052).

2105948 is a wasteful number, since it uses less digits than its factorization.

2105948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40516 (or 40514 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 2105948 is about 1451.1884784548. The cubic root of 2105948 is about 128.1787054648.

The spelling of 2105948 in words is "two million, one hundred five thousand, nine hundred forty-eight".