29630286 has 160 divisors (see below), whose sum is σ = 84680640. Its totient is φ = 7547904.

The previous prime is 29630273. The next prime is 29630297. The reversal of 29630286 is 68203692.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 29630286.

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 79 ways as a sum of consecutive naturals, for example, 559036 + ... + 559088.

It is an arithmetic number, because the mean of its divisors is an integer number (529254).

Almost surely, 2^29630286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29630286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42340320).

29630286 is an abundant number, since it is smaller than the sum of its proper divisors (55050354).

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

29630286 is a wasteful number, since it uses less digits than its factorization.

29630286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 29630286 is about 5443.3708306526. The cubic root of 29630286 is about 309.4415405083.

The spelling of 29630286 in words is "twenty-nine million, six hundred thirty thousand, two hundred eighty-six".