28038601 has 12 divisors (see below), whose sum is σ = 29585920. Its totient is φ = 26540280.

The previous prime is 28038599. The next prime is 28038607. The reversal of 28038601 is 10683082.

It is not a de Polignac number, because 28038601 - 2¹ = 28038599 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28038601.

It is not an unprimeable number, because it can be changed into a prime (28038607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 261990 + ... + 262096.

Almost surely, 2^28038601 is an apocalyptic number.

It is an amenable number.

28038601 is a deficient number, since it is larger than the sum of its proper divisors (1547319).

28038601 is an equidigital number, since it uses as much as digits as its factorization.

28038601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 28038601 is about 5295.1488175499. The cubic root of 28038601 is about 303.7983752203.

The spelling of 28038601 in words is "twenty-eight million, thirty-eight thousand, six hundred one".