1442858 has 8 divisors (see below), whose sum is σ = 2291652. Its totient is φ = 678976.

The previous prime is 1442849. The next prime is 1442863. The reversal of 1442858 is 8582441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1067089 + 375769 = 1033^2 + 613^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21185 + ... + 21252.

2^1442858 is an apocalyptic number.

1442858 is a deficient number, since it is larger than the sum of its proper divisors (848794).

1442858 is a wasteful number, since it uses less digits than its factorization.

1442858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42456.

The product of its digits is 10240, while the sum is 32.

The square root of 1442858 is about 1201.1902430506. The cubic root of 1442858 is about 112.9989819001.

The spelling of 1442858 in words is "one million, four hundred forty-two thousand, eight hundred fifty-eight".