28201006 has 4 divisors (see below), whose sum is σ = 42301512. Its totient is φ = 14100502.

The previous prime is 28201003. The next prime is 28201007. The reversal of 28201006 is 60010282.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60010282 = 2 ⋅30005141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28201001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7050250 + ... + 7050253.

It is an arithmetic number, because the mean of its divisors is an integer number (10575378).

Almost surely, 2^28201006 is an apocalyptic number.

28201006 is a deficient number, since it is larger than the sum of its proper divisors (14100506).

28201006 is a wasteful number, since it uses less digits than its factorization.

28201006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14100505.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 28201006 is about 5310.4619384758. The cubic root of 28201006 is about 304.3837993569.

Adding to 28201006 its reverse (60010282), we get a palindrome (88211288).

The spelling of 28201006 in words is "twenty-eight million, two hundred one thousand, six".