1504420 has 48 divisors (see below), whose sum is σ = 3447360. Its totient is φ = 549504.

The previous prime is 1504417. The next prime is 1504421. The reversal of 1504420 is 244051.

It is a junction number, because it is equal to n+sod(n) for n = 1504394 and 1504403.

It is not an unprimeable number, because it can be changed into a prime (1504421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14007 + ... + 14113.

It is an arithmetic number, because the mean of its divisors is an integer number (71820).

2^1504420 is an apocalyptic number.

1504420 is a gapful number since it is divisible by the number (10) 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 1504420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1723680).

1504420 is an abundant number, since it is smaller than the sum of its proper divisors (1942940).

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

1504420 is a wasteful number, since it uses less digits than its factorization.

1504420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1504420 is about 1226.5480015067. The cubic root of 1504420 is about 114.5837503750.

Adding to 1504420 its reverse (244051), we get a palindrome (1748471).

The spelling of 1504420 in words is "one million, five hundred four thousand, four hundred twenty".