30986417 has 16 divisors (see below), whose sum is σ = 39017472. Its totient is φ = 23904720.

The previous prime is 30986401. The next prime is 30986419. The reversal of 30986417 is 71468903.

It is not a de Polignac number, because 30986417 - 2⁴ = 30986401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30986419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5978 + ... + 9884.

It is an arithmetic number, because the mean of its divisors is an integer number (2438592).

Almost surely, 2^30986417 is an apocalyptic number.

It is an amenable number.

30986417 is a deficient number, since it is larger than the sum of its proper divisors (8031055).

30986417 is a wasteful number, since it uses less digits than its factorization.

30986417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4028.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 30986417 is about 5566.5444397759. The cubic root of 30986417 is about 314.0921774897.

The spelling of 30986417 in words is "thirty million, nine hundred eighty-six thousand, four hundred seventeen".