30485185 has 8 divisors (see below), whose sum is σ = 36708840. Its totient is φ = 24303744.

The previous prime is 30485173. The next prime is 30485197. The reversal of 30485185 is 58158403.

It is an interprime number because it is at equal distance from previous prime (30485173) and next prime (30485197).

It can be written as a sum of positive squares in 4 ways, for example, as 6190144 + 24295041 = 2488^2 + 4929^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 30485185 - 2¹⁵ = 30452417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30485185.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8940 + ... + 11869.

It is an arithmetic number, because the mean of its divisors is an integer number (4588605).

Almost surely, 2^30485185 is an apocalyptic number.

It is an amenable number.

30485185 is a deficient number, since it is larger than the sum of its proper divisors (6223655).

30485185 is a wasteful number, since it uses less digits than its factorization.

30485185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21107.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 30485185 is about 5521.3390585980. The cubic root of 30485185 is about 312.3893923223.

The spelling of 30485185 in words is "thirty million, four hundred eighty-five thousand, one hundred eighty-five".