28623001 has 8 divisors (see below), whose sum is σ = 31264704. Its totient is φ = 25987920.

The previous prime is 28622983. The next prime is 28623037. The reversal of 28623001 is 10032682.

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 28623001 - 2¹¹ = 28620953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28623041) 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, 13335 + ... + 15331.

It is an arithmetic number, because the mean of its divisors is an integer number (3908088).

Almost surely, 2^28623001 is an apocalyptic number.

It is an amenable number.

28623001 is a deficient number, since it is larger than the sum of its proper divisors (2641703).

28623001 is a wasteful number, since it uses less digits than its factorization.

28623001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 28623001 is about 5350.0468222250. The cubic root of 28623001 is about 305.8945376810.

Adding to 28623001 its reverse (10032682), we get a palindrome (38655683).

The spelling of 28623001 in words is "twenty-eight million, six hundred twenty-three thousand, one".