29628287 has 8 divisors (see below), whose sum is σ = 31951920. Its totient is φ = 27311040.

The previous prime is 29628257. The next prime is 29628289. The reversal of 29628287 is 78282692.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29628287 - 2¹⁴ = 29611903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29628289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13139 + ... + 15227.

It is an arithmetic number, because the mean of its divisors is an integer number (3993990).

Almost surely, 2^29628287 is an apocalyptic number.

29628287 is a deficient number, since it is larger than the sum of its proper divisors (2323633).

29628287 is a wasteful number, since it uses less digits than its factorization.

29628287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3193.

The product of its digits is 193536, while the sum is 44.

The square root of 29628287 is about 5443.1872097145. The cubic root of 29628287 is about 309.4345815526.

The spelling of 29628287 in words is "twenty-nine million, six hundred twenty-eight thousand, two hundred eighty-seven".