1603420224 has 56 divisors (see below), whose sum is σ = 4848441408. Its totient is φ = 458119680.

The previous prime is 1603420213. The next prime is 1603420277. The reversal of 1603420224 is 4220243061.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1603420194 and 1603420203.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 595167 + ... + 597854.

Almost surely, 2^1603420224 is an apocalyptic number.

1603420224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1603420224 is an abundant number, since it is smaller than the sum of its proper divisors (3245021184).

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

1603420224 is a wasteful number, since it uses less digits than its factorization.

1603420224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193043 (or 1193033 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1603420224 is about 40042.7299768635. The cubic root of 1603420224 is about 1170.4399017903.

Adding to 1603420224 its reverse (4220243061), we get a palindrome (5823663285).

The spelling of 1603420224 in words is "one billion, six hundred three million, four hundred twenty thousand, two hundred twenty-four".