30986446 has 8 divisors (see below), whose sum is σ = 47267640. Its totient is φ = 15230568.

The previous prime is 30986443. The next prime is 30986477. The reversal of 30986446 is 64468903.

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

It is a junction number, because it is equal to n+sod(n) for n = 30986399 and 30986408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30986443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131181 + ... + 131416.

It is an arithmetic number, because the mean of its divisors is an integer number (5908455).

Almost surely, 2^30986446 is an apocalyptic number.

30986446 is a deficient number, since it is larger than the sum of its proper divisors (16281194).

30986446 is a wasteful number, since it uses less digits than its factorization.

30986446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262658.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 30986446 is about 5566.5470446229. The cubic root of 30986446 is about 314.0922754754.

The spelling of 30986446 in words is "thirty million, nine hundred eighty-six thousand, four hundred forty-six".