30436866 has 48 divisors (see below), whose sum is σ = 70709184. Its totient is φ = 9437472.

The previous prime is 30436837. The next prime is 30436877. The reversal of 30436866 is 66863403.

It is a self number, because there is not a number n which added to its sum of digits gives 30436866.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14325 + ... + 16311.

It is an arithmetic number, because the mean of its divisors is an integer number (1473108).

Almost surely, 2^30436866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30436866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35354592).

30436866 is an abundant number, since it is smaller than the sum of its proper divisors (40272318).

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

30436866 is a wasteful number, since it uses less digits than its factorization.

30436866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055 (or 2052 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 30436866 is about 5516.9616638146. The cubic root of 30436866 is about 312.2242593796.

The spelling of 30436866 in words is "thirty million, four hundred thirty-six thousand, eight hundred sixty-six".