30803424 has 48 divisors (see below), whose sum is σ = 82591488. Its totient is φ = 10047872.

The previous prime is 30803413. The next prime is 30803431. The reversal of 30803424 is 42430803.

It is a tau number, because it is divible by the number of its divisors (48).

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 = 30803394 and 30803403.

It is a congruent number.

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, 1099 + ... + 7925.

It is an arithmetic number, because the mean of its divisors is an integer number (1720656).

Almost surely, 2^30803424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30803424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41295744).

30803424 is an abundant number, since it is smaller than the sum of its proper divisors (51788064).

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

30803424 is a wasteful number, since it uses less digits than its factorization.

30803424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6887 (or 6879 counting only the distinct ones).

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

The square root of 30803424 is about 5550.0832426190. The cubic root of 30803424 is about 313.4726567169.

The spelling of 30803424 in words is "thirty million, eight hundred three thousand, four hundred twenty-four".