30266886 has 48 divisors (see below), whose sum is σ = 69042240. Its totient is φ = 8817120.

The previous prime is 30266879. The next prime is 30266891. The reversal of 30266886 is 68866203.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 18481 + ... + 20051.

It is an arithmetic number, because the mean of its divisors is an integer number (1438380).

Almost surely, 2^30266886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30266886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34521120).

30266886 is an abundant number, since it is smaller than the sum of its proper divisors (38775354).

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

30266886 is a wasteful number, since it uses less digits than its factorization.

30266886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621 (or 1608 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 30266886 is about 5501.5348767412. The cubic root of 30266886 is about 311.6419503723.

The spelling of 30266886 in words is "thirty million, two hundred sixty-six thousand, eight hundred eighty-six".