29197428 has 24 divisors (see below), whose sum is σ = 73368288. Its totient is φ = 8983776.

The previous prime is 29197423. The next prime is 29197439. The reversal of 29197428 is 82479192.

It is a self number, because there is not a number n which added to its sum of digits gives 29197428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29197423) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 93426 + ... + 93737.

It is an arithmetic number, because the mean of its divisors is an integer number (3057012).

Almost surely, 2^29197428 is an apocalyptic number.

It is an amenable number.

29197428 is an abundant number, since it is smaller than the sum of its proper divisors (44170860).

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

29197428 is a wasteful number, since it uses less digits than its factorization.

29197428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187183 (or 187181 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 29197428 is about 5403.4644442246. The cubic root of 29197428 is about 307.9273033579.

The spelling of 29197428 in words is "twenty-nine million, one hundred ninety-seven thousand, four hundred twenty-eight".