30883385 has 16 divisors (see below), whose sum is σ = 40570320. Its totient is φ = 22429440.

The previous prime is 30883361. The next prime is 30883393. The reversal of 30883385 is 58338803.

It can be written as a sum of positive squares in 8 ways, for example, as 7689529 + 23193856 = 2773^2 + 4816^2 .

It is not a de Polignac number, because 30883385 - 2⁸ = 30883129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71 + ... + 7859.

It is an arithmetic number, because the mean of its divisors is an integer number (2535645).

Almost surely, 2^30883385 is an apocalyptic number.

It is an amenable number.

30883385 is a deficient number, since it is larger than the sum of its proper divisors (9686935).

30883385 is a wasteful number, since it uses less digits than its factorization.

30883385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7868.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 30883385 is about 5557.2821594733. The cubic root of 30883385 is about 313.7436647875.

The spelling of 30883385 in words is "thirty million, eight hundred eighty-three thousand, three hundred eighty-five".