1426447 has 8 divisors (see below), whose sum is σ = 1572480. Its totient is φ = 1283160.

The previous prime is 1426429. The next prime is 1426457. The reversal of 1426447 is 7446241.

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

It is a cyclic number.

It is not a de Polignac number, because 1426447 - 2¹¹ = 1424399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504 + ... + 1762.

It is an arithmetic number, because the mean of its divisors is an integer number (196560).

2^1426447 is an apocalyptic number.

1426447 is a deficient number, since it is larger than the sum of its proper divisors (146033).

1426447 is a wasteful number, since it uses less digits than its factorization.

1426447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373.

The product of its digits is 5376, while the sum is 28.

The square root of 1426447 is about 1194.3395664550. The cubic root of 1426447 is about 112.5689322400.

The spelling of 1426447 in words is "one million, four hundred twenty-six thousand, four hundred forty-seven".