1424689 has 8 divisors (see below), whose sum is σ = 1699200. Its totient is φ = 1167936.

The previous prime is 1424681. The next prime is 1424699. The reversal of 1424689 is 9864241.

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

It is not a de Polignac number, because 1424689 - 2³ = 1424681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1424681) 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, 4264 + ... + 4585.

It is an arithmetic number, because the mean of its divisors is an integer number (212400).

2^1424689 is an apocalyptic number.

It is an amenable number.

1424689 is a deficient number, since it is larger than the sum of its proper divisors (274511).

1424689 is an equidigital number, since it uses as much as digits as its factorization.

1424689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8879.

The product of its digits is 13824, while the sum is 34.

The square root of 1424689 is about 1193.6033679577. The cubic root of 1424689 is about 112.5226686830.

The spelling of 1424689 in words is "one million, four hundred twenty-four thousand, six hundred eighty-nine".