29806428 has 12 divisors (see below), whose sum is σ = 69548360. Its totient is φ = 9935472.

The previous prime is 29806417. The next prime is 29806429. The reversal of 29806428 is 82460892.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29806429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1241923 + ... + 1241946.

Almost surely, 2^29806428 is an apocalyptic number.

It is an amenable number.

29806428 is an abundant number, since it is smaller than the sum of its proper divisors (39741932).

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

29806428 is a wasteful number, since it uses less digits than its factorization.

29806428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483876 (or 2483874 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 29806428 is about 5459.5263530823. The cubic root of 29806428 is about 310.0535044659.

The spelling of 29806428 in words is "twenty-nine million, eight hundred six thousand, four hundred twenty-eight".