30388041 has 20 divisors (see below), whose sum is σ = 45738000. Its totient is φ = 20105496.

The previous prime is 30388021. The next prime is 30388069. The reversal of 30388041 is 14088303.

It is not a de Polignac number, because 30388041 - 2⁷ = 30387913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 30387996 and 30388014.

It is not an unprimeable number, because it can be changed into a prime (30388021) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9910 + ... + 12608.

It is an arithmetic number, because the mean of its divisors is an integer number (2286900).

Almost surely, 2^30388041 is an apocalyptic number.

It is an amenable number.

30388041 is a deficient number, since it is larger than the sum of its proper divisors (15349959).

30388041 is a wasteful number, since it uses less digits than its factorization.

30388041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850 (or 2841 counting only the distinct ones).

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

The square root of 30388041 is about 5512.5348978487. The cubic root of 30388041 is about 312.0572195351.

The spelling of 30388041 in words is "thirty million, three hundred eighty-eight thousand, forty-one".