30393424 has 10 divisors (see below), whose sum is σ = 58887290. Its totient is φ = 15196704.

The previous prime is 30393409. The next prime is 30393427. The reversal of 30393424 is 42439303.

It can be written as a sum of positive squares in only one way, i.e., 19713600 + 10679824 = 4440^2 + 3268^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30393392 and 30393401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30393427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 949779 + ... + 949810.

It is an arithmetic number, because the mean of its divisors is an integer number (5888729).

Almost surely, 2^30393424 is an apocalyptic number.

It is an amenable number.

30393424 is a deficient number, since it is larger than the sum of its proper divisors (28493866).

30393424 is a wasteful number, since it uses less digits than its factorization.

30393424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899597 (or 1899591 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 30393424 is about 5513.0231271055. The cubic root of 30393424 is about 312.0756445995.

The spelling of 30393424 in words is "thirty million, three hundred ninety-three thousand, four hundred twenty-four".