1478920 has 16 divisors (see below), whose sum is σ = 3327660. Its totient is φ = 591552.

The previous prime is 1478909. The next prime is 1478921. The reversal of 1478920 is 298741.

It can be written as a sum of positive squares in 2 ways, for example, as 1397124 + 81796 = 1182^2 + 286^2 .

It is not an unprimeable number, because it can be changed into a prime (1478921) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 18447 + ... + 18526.

2^1478920 is an apocalyptic number.

1478920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1478920 is an abundant number, since it is smaller than the sum of its proper divisors (1848740).

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

1478920 is a wasteful number, since it uses less digits than its factorization.

1478920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36984 (or 36980 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 1478920 is about 1216.1085477868. The cubic root of 1478920 is about 113.9326574672.

The spelling of 1478920 in words is "one million, four hundred seventy-eight thousand, nine hundred twenty".