28498011 has 8 divisors (see below), whose sum is σ = 38036544. Its totient is φ = 18979080.

The previous prime is 28498007. The next prime is 28498013. The reversal of 28498011 is 11089482.

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

It is not a de Polignac number, because 28498011 - 2² = 28498007 is a prime.

It is a super-2 number, since 2×28498011² = 1624273261912242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28498013) 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, 1081 + ... + 7626.

It is an arithmetic number, because the mean of its divisors is an integer number (4754568).

Almost surely, 2^28498011 is an apocalyptic number.

28498011 is a deficient number, since it is larger than the sum of its proper divisors (9538533).

28498011 is a wasteful number, since it uses less digits than its factorization.

28498011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9801.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 28498011 is about 5338.3528358474. The cubic root of 28498011 is about 305.4486311841.

The spelling of 28498011 in words is "twenty-eight million, four hundred ninety-eight thousand, eleven".