30438076 has 36 divisors (see below), whose sum is σ = 57031128. Its totient is φ = 14210784.

The previous prime is 30438073. The next prime is 30438091. The reversal of 30438076 is 67083403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30438071) 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 11 ways as a sum of consecutive naturals, for example, 154410 + ... + 154606.

It is an arithmetic number, because the mean of its divisors is an integer number (1584198).

Almost surely, 2^30438076 is an apocalyptic number.

It is an amenable number.

30438076 is a deficient number, since it is larger than the sum of its proper divisors (26593052).

30438076 is a wasteful number, since it uses less digits than its factorization.

30438076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 30438076 is about 5517.0713245344. The cubic root of 30438076 is about 312.2283967564.

The spelling of 30438076 in words is "thirty million, four hundred thirty-eight thousand, seventy-six".