2108426 has 4 divisors (see below), whose sum is σ = 3162642. Its totient is φ = 1054212.

The previous prime is 2108401. The next prime is 2108429. The reversal of 2108426 is 6248012.

2108426 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

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

It can be written as a sum of positive squares in only one way, i.e., 2105401 + 3025 = 1451^2 + 55^2 .

It is not an unprimeable number, because it can be changed into a prime (2108429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527105 + ... + 527108.

2^2108426 is an apocalyptic number.

2108426 is a deficient number, since it is larger than the sum of its proper divisors (1054216).

2108426 is a wasteful number, since it uses less digits than its factorization.

2108426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054215.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2108426 is about 1452.0420104115. The cubic root of 2108426 is about 128.2289603196.

The spelling of 2108426 in words is "two million, one hundred eight thousand, four hundred twenty-six".