1478879 has 4 divisors (see below), whose sum is σ = 1486584. Its totient is φ = 1471176.

The previous prime is 1478863. The next prime is 1478887. The reversal of 1478879 is 9788741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9788741 = 2687 ⋅3643.

It is a cyclic number.

It is not a de Polignac number, because 1478879 - 2⁴ = 1478863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3557 + ... + 3950.

It is an arithmetic number, because the mean of its divisors is an integer number (371646).

2^1478879 is an apocalyptic number.

1478879 is a deficient number, since it is larger than the sum of its proper divisors (7705).

1478879 is an equidigital number, since it uses as much as digits as its factorization.

1478879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7704.

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

The square root of 1478879 is about 1216.0916906221. The cubic root of 1478879 is about 113.9316046083.

The spelling of 1478879 in words is "one million, four hundred seventy-eight thousand, eight hundred seventy-nine".