1424591 has 8 divisors (see below), whose sum is σ = 1643424. Its totient is φ = 1209600.

The previous prime is 1424581. The next prime is 1424603. The reversal of 1424591 is 1954241.

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

It is a de Polignac number, because none of the positive numbers 2^k-1424591 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1424591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424531) 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, 110 + ... + 1691.

It is an arithmetic number, because the mean of its divisors is an integer number (205428).

2^1424591 is an apocalyptic number.

1424591 is a deficient number, since it is larger than the sum of its proper divisors (218833).

1424591 is a wasteful number, since it uses less digits than its factorization.

1424591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921.

The product of its digits is 1440, while the sum is 26.

The square root of 1424591 is about 1193.5623150887. The cubic root of 1424591 is about 112.5200885937.

The spelling of 1424591 in words is "one million, four hundred twenty-four thousand, five hundred ninety-one".