29938212 has 18 divisors (see below), whose sum is σ = 75677238. Its totient is φ = 9979392.

The previous prime is 29938189. The next prime is 29938229. The reversal of 29938212 is 21283992.

It can be written as a sum of positive squares in only one way, i.e., 21678336 + 8259876 = 4656^2 + 2874^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 831617 = 29938212 / (2 + 9 + 9 + 3 + 8 + 2 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 415773 + ... + 415844.

It is an arithmetic number, because the mean of its divisors is an integer number (4204291).

Almost surely, 2^29938212 is an apocalyptic number.

It is an amenable number.

29938212 is an abundant number, since it is smaller than the sum of its proper divisors (45739026).

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

29938212 is a wasteful number, since it uses less digits than its factorization.

29938212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831627 (or 831622 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 29938212 is about 5471.5822208937. The cubic root of 29938212 is about 310.5097821060.

The spelling of 29938212 in words is "twenty-nine million, nine hundred thirty-eight thousand, two hundred twelve".