1478787 has 8 divisors (see below), whose sum is σ = 1977360. Its totient is φ = 983040.

The previous prime is 1478777. The next prime is 1478809. The reversal of 1478787 is 7878741.

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

It is not a de Polignac number, because 1478787 - 2⁶ = 1478723 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1539 + ... + 2307.

It is an arithmetic number, because the mean of its divisors is an integer number (247170).

2^1478787 is an apocalyptic number.

1478787 is a deficient number, since it is larger than the sum of its proper divisors (498573).

1478787 is an equidigital number, since it uses as much as digits as its factorization.

1478787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413.

The product of its digits is 87808, while the sum is 42.

The square root of 1478787 is about 1216.0538639386. The cubic root of 1478787 is about 113.9292420249.

The spelling of 1478787 in words is "one million, four hundred seventy-eight thousand, seven hundred eighty-seven".