1478847 has 16 divisors (see below), whose sum is σ = 2115072. Its totient is φ = 915840.

The previous prime is 1478843. The next prime is 1478857. The reversal of 1478847 is 7488741.

It is not a de Polignac number, because 1478847 - 2² = 1478843 is a prime.

1478847 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5322 + ... + 5592.

It is an arithmetic number, because the mean of its divisors is an integer number (132192).

2^1478847 is an apocalyptic number.

1478847 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1478847 is a deficient number, since it is larger than the sum of its proper divisors (636225).

1478847 is a wasteful number, since it uses less digits than its factorization.

1478847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398.

The product of its digits is 50176, while the sum is 39.

The square root of 1478847 is about 1216.0785336482. The cubic root of 1478847 is about 113.9307828513.

The spelling of 1478847 in words is "one million, four hundred seventy-eight thousand, eight hundred forty-seven".