30493935 has 32 divisors (see below), whose sum is σ = 56088000. Its totient is φ = 15700608.

The previous prime is 30493933. The next prime is 30493963. The reversal of 30493935 is 53939403.

It is a happy number.

It is not a de Polignac number, because 30493935 - 2¹ = 30493933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30493935.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30493933) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21 + ... + 7809.

It is an arithmetic number, because the mean of its divisors is an integer number (1752750).

Almost surely, 2^30493935 is an apocalyptic number.

30493935 is a deficient number, since it is larger than the sum of its proper divisors (25594065).

30493935 is a wasteful number, since it uses less digits than its factorization.

30493935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7832 (or 7826 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 36.

The square root of 30493935 is about 5522.1313819937. The cubic root of 30493935 is about 312.4192772834.

The spelling of 30493935 in words is "thirty million, four hundred ninety-three thousand, nine hundred thirty-five".