28824601 has 4 divisors (see below), whose sum is σ = 31041892. Its totient is φ = 26607312.

The previous prime is 28824581. The next prime is 28824611. The reversal of 28824601 is 10642882.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15023376 + 13801225 = 3876^2 + 3715^2 .

It is a cyclic number.

It is not a de Polignac number, because 28824601 - 2¹³ = 28816409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28824611) 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, 1108626 + ... + 1108651.

It is an arithmetic number, because the mean of its divisors is an integer number (7760473).

Almost surely, 2^28824601 is an apocalyptic number.

It is an amenable number.

28824601 is a deficient number, since it is larger than the sum of its proper divisors (2217291).

28824601 is a wasteful number, since it uses less digits than its factorization.

28824601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217290.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 28824601 is about 5368.8547195841. The cubic root of 28824601 is about 306.6110257958.

The spelling of 28824601 in words is "twenty-eight million, eight hundred twenty-four thousand, six hundred one".