1003420 has 24 divisors (see below), whose sum is σ = 2299248. Its totient is φ = 364800.

The previous prime is 1003417. The next prime is 1003433. The reversal of 1003420 is 243001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1003397 and 1003406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2061 + ... + 2500.

It is an arithmetic number, because the mean of its divisors is an integer number (95802).

2^1003420 is an apocalyptic number.

1003420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003420 is an abundant number, since it is smaller than the sum of its proper divisors (1295828).

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

1003420 is a wasteful number, since it uses less digits than its factorization.

1003420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4581 (or 4579 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 1003420 is about 1001.7085404448. The cubic root of 1003420 is about 100.1138702864.

Adding to 1003420 its reverse (243001), we get a palindrome (1246421).

The spelling of 1003420 in words is "one million, three thousand, four hundred twenty".