1856426 has 16 divisors (see below), whose sum is σ = 3271968. Its totient is φ = 778800.

The previous prime is 1856419. The next prime is 1856441. The reversal of 1856426 is 6246581.

It is a junction number, because it is equal to n+sod(n) for n = 1856392 and 1856401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2960 + ... + 3531.

It is an arithmetic number, because the mean of its divisors is an integer number (204498).

2^1856426 is an apocalyptic number.

1856426 is a deficient number, since it is larger than the sum of its proper divisors (1415542).

1856426 is a wasteful number, since it uses less digits than its factorization.

1856426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6517.

The product of its digits is 11520, while the sum is 32.

The square root of 1856426 is about 1362.5072476871. The cubic root of 1856426 is about 122.9020746571.

The spelling of 1856426 in words is "one million, eight hundred fifty-six thousand, four hundred twenty-six".