28552426 has 16 divisors (see below), whose sum is σ = 50526720. Its totient is φ = 11841840.

The previous prime is 28552373. The next prime is 28552427. The reversal of 28552426 is 62425582.

It is a junction number, because it is equal to n+sod(n) for n = 28552391 and 28552400.

It is not an unprimeable number, because it can be changed into a prime (28552427) 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, 32461 + ... + 33328.

It is an arithmetic number, because the mean of its divisors is an integer number (3157920).

Almost surely, 2^28552426 is an apocalyptic number.

28552426 is a deficient number, since it is larger than the sum of its proper divisors (21974294).

28552426 is a wasteful number, since it uses less digits than its factorization.

28552426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65829.

The product of its digits is 38400, while the sum is 34.

The square root of 28552426 is about 5343.4470148023. The cubic root of 28552426 is about 305.6429186567.

The spelling of 28552426 in words is "twenty-eight million, five hundred fifty-two thousand, four hundred twenty-six".