29489428 has 6 divisors (see below), whose sum is σ = 51606506. Its totient is φ = 14744712.

The previous prime is 29489423. The next prime is 29489429. The reversal of 29489428 is 82498492.

It can be written as a sum of positive squares in only one way, i.e., 29463184 + 26244 = 5428^2 + 162^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29489423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3686175 + ... + 3686182.

Almost surely, 2^29489428 is an apocalyptic number.

It is an amenable number.

29489428 is a deficient number, since it is larger than the sum of its proper divisors (22117078).

29489428 is a wasteful number, since it uses less digits than its factorization.

29489428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7372361 (or 7372359 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 29489428 is about 5430.4169269035. The cubic root of 29489428 is about 308.9504149898.

The spelling of 29489428 in words is "twenty-nine million, four hundred eighty-nine thousand, four hundred twenty-eight".