1426668 has 24 divisors (see below), whose sum is σ = 3385200. Its totient is φ = 467520.

The previous prime is 1426643. The next prime is 1426669. The reversal of 1426668 is 8666241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1426669) 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, 243 + ... + 1706.

It is an arithmetic number, because the mean of its divisors is an integer number (141050).

2^1426668 is an apocalyptic number.

It is an amenable number.

1426668 is an abundant number, since it is smaller than the sum of its proper divisors (1958532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1426668 is a wasteful number, since it uses less digits than its factorization.

1426668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017 (or 2015 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 1426668 is about 1194.4320826234. The cubic root of 1426668 is about 112.5747453896.

The spelling of 1426668 in words is "one million, four hundred twenty-six thousand, six hundred sixty-eight".