28345026 has 16 divisors (see below), whose sum is σ = 57105504. Its totient is φ = 9379104.

The previous prime is 28345021. The next prime is 28345061. The reversal of 28345026 is 62054382.

It is a junction number, because it is equal to n+sod(n) for n = 28344984 and 28345002.

It is not an unprimeable number, because it can be changed into a prime (28345021) 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, 16420 + ... + 18063.

It is an arithmetic number, because the mean of its divisors is an integer number (3569094).

Almost surely, 2^28345026 is an apocalyptic number.

28345026 is an abundant number, since it is smaller than the sum of its proper divisors (28760478).

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

28345026 is a wasteful number, since it uses less digits than its factorization.

28345026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34625.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 28345026 is about 5324.0046957154. The cubic root of 28345026 is about 304.9010733543.

The spelling of 28345026 in words is "twenty-eight million, three hundred forty-five thousand, twenty-six".