30348018 has 24 divisors (see below), whose sum is σ = 66128400. Its totient is φ = 10058424.

The previous prime is 30348013. The next prime is 30348053. The reversal of 30348018 is 81084303.

It is a junction number, because it is equal to n+sod(n) for n = 30347982 and 30348000.

It is not an unprimeable number, because it can be changed into a prime (30348011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1488 + ... + 7931.

It is an arithmetic number, because the mean of its divisors is an integer number (2755350).

Almost surely, 2^30348018 is an apocalyptic number.

30348018 is an abundant number, since it is smaller than the sum of its proper divisors (35780382).

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

30348018 is a wasteful number, since it uses less digits than its factorization.

30348018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9606 (or 9603 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 30348018 is about 5508.9035206654. The cubic root of 30348018 is about 311.9201595509.

The spelling of 30348018 in words is "thirty million, three hundred forty-eight thousand, eighteen".