1478736 has 100 divisors (see below), whose sum is σ = 4921312. Its totient is φ = 419904.

The previous prime is 1478723. The next prime is 1478759. The reversal of 1478736 is 6378741.

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

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1478736.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8991 + ... + 9153.

2^1478736 is an apocalyptic number.

1478736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1478736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2460656).

1478736 is an abundant number, since it is smaller than the sum of its proper divisors (3442576).

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

1478736 is a wasteful number, since it uses less digits than its factorization.

1478736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 175 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 1478736 is about 1216.0328942919. The cubic root of 1478736 is about 113.9279322897.

The spelling of 1478736 in words is "one million, four hundred seventy-eight thousand, seven hundred thirty-six".