2103854 has 4 divisors (see below), whose sum is σ = 3155784. Its totient is φ = 1051926.

The previous prime is 2103839. The next prime is 2103859. The reversal of 2103854 is 4583012.

It is a semiprime because it is the product of two primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525962 + ... + 525965.

It is an arithmetic number, because the mean of its divisors is an integer number (788946).

2^2103854 is an apocalyptic number.

2103854 is a deficient number, since it is larger than the sum of its proper divisors (1051930).

2103854 is a wasteful number, since it uses less digits than its factorization.

2103854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051929.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2103854 is about 1450.4668214061. The cubic root of 2103854 is about 128.1362075463.

Adding to 2103854 its reverse (4583012), we get a palindrome (6686866).

The spelling of 2103854 in words is "two million, one hundred three thousand, eight hundred fifty-four".