1478342 has 4 divisors (see below), whose sum is σ = 2217516. Its totient is φ = 739170.

The previous prime is 1478293. The next prime is 1478353. The reversal of 1478342 is 2438741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2438741 = 571 ⋅4271.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 369584 + ... + 369587.

It is an arithmetic number, because the mean of its divisors is an integer number (554379).

2^1478342 is an apocalyptic number.

1478342 is a deficient number, since it is larger than the sum of its proper divisors (739174).

1478342 is an equidigital number, since it uses as much as digits as its factorization.

1478342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739173.

The product of its digits is 5376, while the sum is 29.

The square root of 1478342 is about 1215.8708813028. The cubic root of 1478342 is about 113.9178129281.

The spelling of 1478342 in words is "one million, four hundred seventy-eight thousand, three hundred forty-two".