30488340 has 48 divisors (see below), whose sum is σ = 89083008. Its totient is φ = 7776384.

The previous prime is 30488321. The next prime is 30488351. The reversal of 30488340 is 4388403.

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

It is a junction number, because it is equal to n+sod(n) for n = 30488298 and 30488307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9667 + ... + 12426.

It is an arithmetic number, because the mean of its divisors is an integer number (1855896).

Almost surely, 2^30488340 is an apocalyptic number.

30488340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30488340 is an abundant number, since it is smaller than the sum of its proper divisors (58594668).

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

30488340 is a wasteful number, since it uses less digits than its factorization.

30488340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22128 (or 22126 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 30488340 is about 5521.6247608833. The cubic root of 30488340 is about 312.4001686446.

The spelling of 30488340 in words is "thirty million, four hundred eighty-eight thousand, three hundred forty".