28468001 has 4 divisors (see below), whose sum is σ = 28574100. Its totient is φ = 28361904.

The previous prime is 28467983. The next prime is 28468019. The reversal of 28468001 is 10086482.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (28467983) and next prime (28468019).

It can be written as a sum of positive squares in 2 ways, for example, as 1677025 + 26790976 = 1295^2 + 5176^2 .

It is a cyclic number.

It is not a de Polignac number, because 28468001 - 2¹⁸ = 28205857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28468201) 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 3 ways as a sum of consecutive naturals, for example, 52646 + ... + 53183.

It is an arithmetic number, because the mean of its divisors is an integer number (7143525).

Almost surely, 2^28468001 is an apocalyptic number.

It is an amenable number.

28468001 is a deficient number, since it is larger than the sum of its proper divisors (106099).

28468001 is a wasteful number, since it uses less digits than its factorization.

28468001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106098.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 28468001 is about 5335.5413033731. The cubic root of 28468001 is about 305.3413753605.

The spelling of 28468001 in words is "twenty-eight million, four hundred sixty-eight thousand, one".