28650498 has 16 divisors (see below), whose sum is σ = 57594240. Its totient is φ = 9501296.

The previous prime is 28650497. The next prime is 28650509. The reversal of 28650498 is 89405682.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (28650493) 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, 10938 + ... + 13301.

It is an arithmetic number, because the mean of its divisors is an integer number (3599640).

Almost surely, 2^28650498 is an apocalyptic number.

28650498 is an abundant number, since it is smaller than the sum of its proper divisors (28943742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28650498 is a wasteful number, since it uses less digits than its factorization.

28650498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24441.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 28650498 is about 5352.6159959407. The cubic root of 28650498 is about 305.9924599791.

The spelling of 28650498 in words is "twenty-eight million, six hundred fifty thousand, four hundred ninety-eight".