1478844 has 24 divisors (see below), whose sum is σ = 3834320. Its totient is φ = 492912.

The previous prime is 1478843. The next prime is 1478857. The reversal of 1478844 is 4488741.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1478799 and 1478808.

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 7 ways as a sum of consecutive naturals, for example, 6739 + ... + 6954.

2^1478844 is an apocalyptic number.

It is an amenable number.

1478844 is an abundant number, since it is smaller than the sum of its proper divisors (2355476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1478844 is a wasteful number, since it uses less digits than its factorization.

1478844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13706 (or 13698 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 1478844 is about 1216.0773001746. The cubic root of 1478844 is about 113.9307058109.

The spelling of 1478844 in words is "one million, four hundred seventy-eight thousand, eight hundred forty-four".