28923601 has 8 divisors (see below), whose sum is σ = 33130944. Its totient is φ = 24735120.

The previous prime is 28923599. The next prime is 28923607. The reversal of 28923601 is 10632982.

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 28923601 - 2¹ = 28923599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28923607) 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, 1255 + ... + 7708.

It is an arithmetic number, because the mean of its divisors is an integer number (4141368).

Almost surely, 2^28923601 is an apocalyptic number.

It is an amenable number.

28923601 is a deficient number, since it is larger than the sum of its proper divisors (4207343).

28923601 is an equidigital number, since it uses as much as digits as its factorization.

28923601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9431.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 28923601 is about 5378.0666600555. The cubic root of 28923601 is about 306.9616499751.

The spelling of 28923601 in words is "twenty-eight million, nine hundred twenty-three thousand, six hundred one".