30863985 has 8 divisors (see below), whose sum is σ = 49382400. Its totient is φ = 16460784.

The previous prime is 30863929. The next prime is 30864017. The reversal of 30863985 is 58936803.

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

It is not a de Polignac number, because 30863985 - 2¹⁰ = 30862961 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1028785 + ... + 1028814.

It is an arithmetic number, because the mean of its divisors is an integer number (6172800).

Almost surely, 2^30863985 is an apocalyptic number.

It is an amenable number.

30863985 is a deficient number, since it is larger than the sum of its proper divisors (18518415).

30863985 is a wasteful number, since it uses less digits than its factorization.

30863985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057607.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 30863985 is about 5555.5364277448. The cubic root of 30863985 is about 313.6779562949.

The spelling of 30863985 in words is "thirty million, eight hundred sixty-three thousand, nine hundred eighty-five".