30800086 has 4 divisors (see below), whose sum is σ = 46200132. Its totient is φ = 15400042.

The previous prime is 30800069. The next prime is 30800093. The reversal of 30800086 is 68000803.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68000803 = 13 ⋅5230831.

It is a self number, because there is not a number n which added to its sum of digits gives 30800086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7700020 + ... + 7700023.

It is an arithmetic number, because the mean of its divisors is an integer number (11550033).

Almost surely, 2^30800086 is an apocalyptic number.

30800086 is a deficient number, since it is larger than the sum of its proper divisors (15400046).

30800086 is a wasteful number, since it uses less digits than its factorization.

30800086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15400045.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 30800086 is about 5549.7825182614. The cubic root of 30800086 is about 313.4613331973.

Adding to 30800086 its reverse (68000803), we get a palindrome (98800889).

The spelling of 30800086 in words is "thirty million, eight hundred thousand, eighty-six".