1493842 has 8 divisors (see below), whose sum is σ = 2560896. Its totient is φ = 640212.

The previous prime is 1493839. The next prime is 1493867. The reversal of 1493842 is 2483941.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53338 + ... + 53365.

It is an arithmetic number, because the mean of its divisors is an integer number (320112).

2^1493842 is an apocalyptic number.

1493842 is a deficient number, since it is larger than the sum of its proper divisors (1067054).

1493842 is a wasteful number, since it uses less digits than its factorization.

1493842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106712.

The product of its digits is 6912, while the sum is 31.

The square root of 1493842 is about 1222.2282929142. The cubic root of 1493842 is about 114.3145616167.

Subtracting 1493842 from its reverse (2483941), we obtain a palindrome (990099).

The spelling of 1493842 in words is "one million, four hundred ninety-three thousand, eight hundred forty-two".