30290850 has 72 divisors (see below), whose sum is σ = 82463472. Its totient is φ = 7970400.

The previous prime is 30290833. The next prime is 30290851. The reversal of 30290850 is 5809203.

It is not an unprimeable number, because it can be changed into a prime (30290851) 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 35 ways as a sum of consecutive naturals, for example, 36945 + ... + 37755.

It is an arithmetic number, because the mean of its divisors is an integer number (1145326).

Almost surely, 2^30290850 is an apocalyptic number.

30290850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30290850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41231736).

30290850 is an abundant number, since it is smaller than the sum of its proper divisors (52172622).

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

30290850 is a wasteful number, since it uses less digits than its factorization.

30290850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912 (or 904 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 30290850 is about 5503.7123834735. The cubic root of 30290850 is about 311.7241768422.

The spelling of 30290850 in words is "thirty million, two hundred ninety thousand, eight hundred fifty".