1427873 has 8 divisors (see below), whose sum is σ = 1506600. Its totient is φ = 1351168.

The previous prime is 1427851. The next prime is 1427879. The reversal of 1427873 is 3787241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 54289 + 1373584 = 233^2 + 1172^2 .

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

It is not a de Polignac number, because 1427873 - 2⁶ = 1427809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1427879) 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, 1073 + ... + 2001.

It is an arithmetic number, because the mean of its divisors is an integer number (188325).

2^1427873 is an apocalyptic number.

It is an amenable number.

1427873 is a deficient number, since it is larger than the sum of its proper divisors (78727).

1427873 is an equidigital number, since it uses as much as digits as its factorization.

1427873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011.

The product of its digits is 9408, while the sum is 32.

The square root of 1427873 is about 1194.9363999812. The cubic root of 1427873 is about 112.6064309662.

The spelling of 1427873 in words is "one million, four hundred twenty-seven thousand, eight hundred seventy-three".