30200861 has 16 divisors (see below), whose sum is σ = 33480000. Its totient is φ = 27127296.

The previous prime is 30200827. The next prime is 30200869. The reversal of 30200861 is 16800203.

It is not a de Polignac number, because 30200861 - 2¹⁴ = 30184477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30200869) 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 15 ways as a sum of consecutive naturals, for example, 32045 + ... + 32973.

It is an arithmetic number, because the mean of its divisors is an integer number (2092500).

Almost surely, 2^30200861 is an apocalyptic number.

It is an amenable number.

30200861 is a deficient number, since it is larger than the sum of its proper divisors (3279139).

30200861 is a wasteful number, since it uses less digits than its factorization.

30200861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 30200861 is about 5495.5310025511. The cubic root of 30200861 is about 311.4151773491.

The spelling of 30200861 in words is "thirty million, two hundred thousand, eight hundred sixty-one".