28415298 has 16 divisors (see below), whose sum is σ = 59821920. Its totient is φ = 8973216.

The previous prime is 28415293. The next prime is 28415311. The reversal of 28415298 is 89251482.

It is not an unprimeable number, because it can be changed into a prime (28415293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124515 + ... + 124742.

It is an arithmetic number, because the mean of its divisors is an integer number (3738870).

Almost surely, 2^28415298 is an apocalyptic number.

28415298 is an abundant number, since it is smaller than the sum of its proper divisors (31406622).

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

28415298 is a wasteful number, since it uses less digits than its factorization.

28415298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249281.

The product of its digits is 46080, while the sum is 39.

The square root of 28415298 is about 5330.6001538288. The cubic root of 28415298 is about 305.1528321210.

The spelling of 28415298 in words is "twenty-eight million, four hundred fifteen thousand, two hundred ninety-eight".