30885485 has 8 divisors (see below), whose sum is σ = 37762200. Its totient is φ = 24241984.

The previous prime is 30885473. The next prime is 30885487. The reversal of 30885485 is 58458803.

It can be written as a sum of positive squares in 4 ways, for example, as 4609609 + 26275876 = 2147^2 + 5126^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30885485 is a prime.

It is a super-4 number, since 4×30885485⁴ (a number of 31 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30885487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58010 + ... + 58539.

It is an arithmetic number, because the mean of its divisors is an integer number (4720275).

Almost surely, 2^30885485 is an apocalyptic number.

It is an amenable number.

30885485 is a deficient number, since it is larger than the sum of its proper divisors (6876715).

30885485 is a wasteful number, since it uses less digits than its factorization.

30885485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116607.

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 30885485 is about 5557.4710975407. The cubic root of 30885485 is about 313.7507759117.

The spelling of 30885485 in words is "thirty million, eight hundred eighty-five thousand, four hundred eighty-five".