30493929 has 16 divisors (see below), whose sum is σ = 43333632. Its totient is φ = 19029648.

The previous prime is 30493927. The next prime is 30493933. The reversal of 30493929 is 92939403.

It is not a de Polignac number, because 30493929 - 2¹ = 30493927 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30493927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1459 + ... + 7944.

It is an arithmetic number, because the mean of its divisors is an integer number (2708352).

Almost surely, 2^30493929 is an apocalyptic number.

It is an amenable number.

30493929 is a deficient number, since it is larger than the sum of its proper divisors (12839703).

30493929 is a wasteful number, since it uses less digits than its factorization.

30493929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9476.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 30493929 is about 5522.1308387252. The cubic root of 30493929 is about 312.4192567928.

The spelling of 30493929 in words is "thirty million, four hundred ninety-three thousand, nine hundred twenty-nine".