1478798 has 4 divisors (see below), whose sum is σ = 2218200. Its totient is φ = 739398.

The previous prime is 1478777. The next prime is 1478809. The reversal of 1478798 is 8978741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8978741 = 283 ⋅31727.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369698 + ... + 369701.

It is an arithmetic number, because the mean of its divisors is an integer number (554550).

2^1478798 is an apocalyptic number.

1478798 is a deficient number, since it is larger than the sum of its proper divisors (739402).

1478798 is an equidigital number, since it uses as much as digits as its factorization.

1478798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739401.

The product of its digits is 112896, while the sum is 44.

The square root of 1478798 is about 1216.0583867562. The cubic root of 1478798 is about 113.9295245128.

The spelling of 1478798 in words is "one million, four hundred seventy-eight thousand, seven hundred ninety-eight".