28446026 has 16 divisors (see below), whose sum is σ = 49269696. Its totient is φ = 12064896.

The previous prime is 28445999. The next prime is 28446031. The reversal of 28446026 is 62064482.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28445983 and 28446001.

It is an unprimeable number.

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, 9116 + ... + 11831.

It is an arithmetic number, because the mean of its divisors is an integer number (3079356).

Almost surely, 2^28446026 is an apocalyptic number.

28446026 is a deficient number, since it is larger than the sum of its proper divisors (20823670).

28446026 is a wasteful number, since it uses less digits than its factorization.

28446026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21053.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 28446026 is about 5333.4816021057. The cubic root of 28446026 is about 305.2627888339.

The spelling of 28446026 in words is "twenty-eight million, four hundred forty-six thousand, twenty-six".