603663420 has 48 divisors (see below), whose sum is σ = 1748547360. Its totient is φ = 155425536.

The previous prime is 603663413. The next prime is 603663433. The reversal of 603663420 is 24366306.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171727 + ... + 175206.

It is an arithmetic number, because the mean of its divisors is an integer number (36428070).

Almost surely, 2^603663420 is an apocalyptic number.

603663420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

603663420 is an abundant number, since it is smaller than the sum of its proper divisors (1144883940).

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

603663420 is a wasteful number, since it uses less digits than its factorization.

603663420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346974 (or 346972 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 603663420 is about 24569.5628776745. The cubic root of 603663420 is about 845.1457657337.

The spelling of 603663420 in words is "six hundred three million, six hundred sixty-three thousand, four hundred twenty".