1424709 has 48 divisors (see below), whose sum is σ = 2568384. Its totient is φ = 777600.

The previous prime is 1424707. The next prime is 1424723. The reversal of 1424709 is 9074241.

It is a happy number.

It is not a de Polignac number, because 1424709 - 2¹ = 1424707 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424701) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34729 + ... + 34769.

It is an arithmetic number, because the mean of its divisors is an integer number (53508).

2^1424709 is an apocalyptic number.

It is an amenable number.

1424709 is a deficient number, since it is larger than the sum of its proper divisors (1143675).

1424709 is a wasteful number, since it uses less digits than its factorization.

1424709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1424709 is about 1193.6117459208. The cubic root of 1424709 is about 112.5231952173.

It can be divided in two parts, 142 and 4709, that added together give a triangular number (4851 = T₉₈).

The spelling of 1424709 in words is "one million, four hundred twenty-four thousand, seven hundred nine".