28363011 has 8 divisors (see below), whose sum is σ = 38458560. Its totient is φ = 18588072.

The previous prime is 28363001. The next prime is 28363019. The reversal of 28363011 is 11036382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28363011 - 2⁶ = 28362947 is a prime.

It is a super-2 number, since 2×28363011² = 1608920785972242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28363019) 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, 79945 + ... + 80298.

It is an arithmetic number, because the mean of its divisors is an integer number (4807320).

Almost surely, 2^28363011 is an apocalyptic number.

28363011 is a deficient number, since it is larger than the sum of its proper divisors (10095549).

28363011 is a wasteful number, since it uses less digits than its factorization.

28363011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160305.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 28363011 is about 5325.6934759710. The cubic root of 28363011 is about 304.9655465875.

Adding to 28363011 its reverse (11036382), we get a palindrome (39399393).

The spelling of 28363011 in words is "twenty-eight million, three hundred sixty-three thousand, eleven".