30986200 has 48 divisors (see below), whose sum is σ = 82338480. Its totient is φ = 10623360.

The previous prime is 30986191. The next prime is 30986209. The reversal of 30986200 is 268903.

It is an interprime number because it is at equal distance from previous prime (30986191) and next prime (30986209).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30986209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9667 + ... + 12466.

It is an arithmetic number, because the mean of its divisors is an integer number (1715385).

Almost surely, 2^30986200 is an apocalyptic number.

It is an amenable number.

30986200 is an abundant number, since it is smaller than the sum of its proper divisors (51352280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30986200 is a wasteful number, since it uses less digits than its factorization.

30986200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22156 (or 22147 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 30986200 is about 5566.5249482958. The cubic root of 30986200 is about 314.0914442850.

The spelling of 30986200 in words is "thirty million, nine hundred eighty-six thousand, two hundred".