30765938 has 8 divisors (see below), whose sum is σ = 52741632. Its totient is φ = 13185396.

The previous prime is 30765893. The next prime is 30765947. The reversal of 30765938 is 83956703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 30765895 and 30765904.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1098770 + ... + 1098797.

It is an arithmetic number, because the mean of its divisors is an integer number (6592704).

Almost surely, 2^30765938 is an apocalyptic number.

30765938 is a deficient number, since it is larger than the sum of its proper divisors (21975694).

30765938 is a wasteful number, since it uses less digits than its factorization.

30765938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197576.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 30765938 is about 5546.7051481037. The cubic root of 30765938 is about 313.3454456864.

The spelling of 30765938 in words is "thirty million, seven hundred sixty-five thousand, nine hundred thirty-eight".