28464801 has 4 divisors (see below), whose sum is σ = 37953072. Its totient is φ = 18976532.

The previous prime is 28464769. The next prime is 28464809. The reversal of 28464801 is 10846482.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28464801 - 2⁵ = 28464769 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28464809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4744131 + ... + 4744136.

It is an arithmetic number, because the mean of its divisors is an integer number (9488268).

Almost surely, 2^28464801 is an apocalyptic number.

It is an amenable number.

28464801 is a deficient number, since it is larger than the sum of its proper divisors (9488271).

28464801 is an equidigital number, since it uses as much as digits as its factorization.

28464801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9488270.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 28464801 is about 5335.2414190925. The cubic root of 28464801 is about 305.3299341051.

The spelling of 28464801 in words is "twenty-eight million, four hundred sixty-four thousand, eight hundred one".