1018426 has 8 divisors (see below), whose sum is σ = 1542240. Its totient is φ = 504348.

The previous prime is 1018421. The next prime is 1018429. The reversal of 1018426 is 6248101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1018397 and 1018406.

It is not an unprimeable number, because it can be changed into a prime (1018421) 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 3 ways as a sum of consecutive naturals, for example, 2166 + ... + 2593.

It is an arithmetic number, because the mean of its divisors is an integer number (192780).

2^1018426 is an apocalyptic number.

1018426 is a deficient number, since it is larger than the sum of its proper divisors (523814).

1018426 is a wasteful number, since it uses less digits than its factorization.

1018426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4868.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1018426 is about 1009.1709468668. The cubic root of 1018426 is about 100.6104657325.

It can be divided in two parts, 1018 and 426, that added together give a square (1444 = 38²).

The spelling of 1018426 in words is "one million, eighteen thousand, four hundred twenty-six".