1798426 has 16 divisors (see below), whose sum is σ = 3245760. Its totient is φ = 730080.

The previous prime is 1798421. The next prime is 1798427. The reversal of 1798426 is 6248971.

It is not an unprimeable number, because it can be changed into a prime (1798421) by changing a digit.

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, 3115 + ... + 3646.

It is an arithmetic number, because the mean of its divisors is an integer number (202860).

2^1798426 is an apocalyptic number.

1798426 is a deficient number, since it is larger than the sum of its proper divisors (1447334).

1798426 is a wasteful number, since it uses less digits than its factorization.

1798426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6789.

The product of its digits is 24192, while the sum is 37.

The square root of 1798426 is about 1341.0540630415. The cubic root of 1798426 is about 121.6085725864.

The spelling of 1798426 in words is "one million, seven hundred ninety-eight thousand, four hundred twenty-six".