28292001 has 8 divisors (see below), whose sum is σ = 39362880. Its totient is φ = 18041232.

The previous prime is 28291999. The next prime is 28292003. The reversal of 28292001 is 10029282.

It is an interprime number because it is at equal distance from previous prime (28291999) and next prime (28292003).

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

It is not a de Polignac number, because 28292001 - 2¹ = 28291999 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (28292003) 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, 204946 + ... + 205083.

It is an arithmetic number, because the mean of its divisors is an integer number (4920360).

Almost surely, 2^28292001 is an apocalyptic number.

It is an amenable number.

28292001 is a deficient number, since it is larger than the sum of its proper divisors (11070879).

28292001 is a wasteful number, since it uses less digits than its factorization.

28292001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410055.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 28292001 is about 5319.0225605839. The cubic root of 28292001 is about 304.7108286727.

The spelling of 28292001 in words is "twenty-eight million, two hundred ninety-two thousand, one".