1427842 has 8 divisors (see below), whose sum is σ = 2306556. Its totient is φ = 658992.

The previous prime is 1427821. The next prime is 1427843. The reversal of 1427842 is 2487241.

It can be written as a sum of positive squares in 2 ways, for example, as 1324801 + 103041 = 1151^2 + 321^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1427842.

It is not an unprimeable number, because it can be changed into a prime (1427843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27433 + ... + 27484.

2^1427842 is an apocalyptic number.

1427842 is a deficient number, since it is larger than the sum of its proper divisors (878714).

1427842 is a wasteful number, since it uses less digits than its factorization.

1427842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54932.

The product of its digits is 3584, while the sum is 28.

The square root of 1427842 is about 1194.9234285091. The cubic root of 1427842 is about 112.6056160420.

The spelling of 1427842 in words is "one million, four hundred twenty-seven thousand, eight hundred forty-two".