28417029 has 8 divisors (see below), whose sum is σ = 39536832. Its totient is φ = 18120960.

The previous prime is 28417019. The next prime is 28417031. The reversal of 28417029 is 92071482.

It is a happy number.

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

It is not a de Polignac number, because 28417029 - 2⁹ = 28416517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28417019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205852 + ... + 205989.

It is an arithmetic number, because the mean of its divisors is an integer number (4942104).

Almost surely, 2^28417029 is an apocalyptic number.

It is an amenable number.

28417029 is a deficient number, since it is larger than the sum of its proper divisors (11119803).

28417029 is a wasteful number, since it uses less digits than its factorization.

28417029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411867.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 28417029 is about 5330.7625158133. The cubic root of 28417029 is about 305.1590284174.

It can be divided in two parts, 2841 and 7029, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 28417029 in words is "twenty-eight million, four hundred seventeen thousand, twenty-nine".