30116890 has 32 divisors (see below), whose sum is σ = 58112640. Its totient is φ = 11208384.

The previous prime is 30116861. The next prime is 30116893. The reversal of 30116890 is 9861103.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30116893) 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, 6741 + ... + 10279.

It is an arithmetic number, because the mean of its divisors is an integer number (1816020).

Almost surely, 2^30116890 is an apocalyptic number.

30116890 is a deficient number, since it is larger than the sum of its proper divisors (27995750).

30116890 is a wasteful number, since it uses less digits than its factorization.

30116890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 30116890 is about 5487.8857495396. The cubic root of 30116890 is about 311.1262880446.

Adding to 30116890 its reverse (9861103), we get a palindrome (39977993).

The spelling of 30116890 in words is "thirty million, one hundred sixteen thousand, eight hundred ninety".