1426444 has 18 divisors (see below), whose sum is σ = 2646980. Its totient is φ = 670752.

The previous prime is 1426429. The next prime is 1426457. The reversal of 1426444 is 4446241.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10344 + ... + 10480.

2^1426444 is an apocalyptic number.

It is an amenable number.

1426444 is a deficient number, since it is larger than the sum of its proper divisors (1220536).

1426444 is a wasteful number, since it uses less digits than its factorization.

1426444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 158 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 1426444 is about 1194.3383105301. The cubic root of 1426444 is about 112.5688533244.

The spelling of 1426444 in words is "one million, four hundred twenty-six thousand, four hundred forty-four".