30486985 has 16 divisors (see below), whose sum is σ = 37804032. Its totient is φ = 23587200.

The previous prime is 30486977. The next prime is 30487027. The reversal of 30486985 is 58968403.

It is not a de Polignac number, because 30486985 - 2³ = 30486977 is a prime.

It is a Duffinian number.

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, 25450 + ... + 26620.

It is an arithmetic number, because the mean of its divisors is an integer number (2362752).

Almost surely, 2^30486985 is an apocalyptic number.

It is an amenable number.

30486985 is a deficient number, since it is larger than the sum of its proper divisors (7317047).

30486985 is a wasteful number, since it uses less digits than its factorization.

30486985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 30486985 is about 5521.5020601282. The cubic root of 30486985 is about 312.3955405529.

The spelling of 30486985 in words is "thirty million, four hundred eighty-six thousand, nine hundred eighty-five".