1424491 has 4 divisors (see below), whose sum is σ = 1437912. Its totient is φ = 1411072.

The previous prime is 1424483. The next prime is 1424497. The reversal of 1424491 is 1944241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1424491 - 2³ = 1424483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1424497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6550 + ... + 6763.

It is an arithmetic number, because the mean of its divisors is an integer number (359478).

2^1424491 is an apocalyptic number.

1424491 is a deficient number, since it is larger than the sum of its proper divisors (13421).

1424491 is a wasteful number, since it uses less digits than its factorization.

1424491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13420.

The product of its digits is 1152, while the sum is 25.

The square root of 1424491 is about 1193.5204229505. The cubic root of 1424491 is about 112.5174557276.

The spelling of 1424491 in words is "one million, four hundred twenty-four thousand, four hundred ninety-one".