28432626 has 32 divisors (see below), whose sum is σ = 60099840. Its totient is φ = 8942544.

The previous prime is 28432609. The next prime is 28432637. The reversal of 28432626 is 62623482.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50221 + ... + 50783.

It is an arithmetic number, because the mean of its divisors is an integer number (1878120).

Almost surely, 2^28432626 is an apocalyptic number.

28432626 is an abundant number, since it is smaller than the sum of its proper divisors (31667214).

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

28432626 is a wasteful number, since it uses less digits than its factorization.

28432626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030.

The product of its digits is 27648, while the sum is 33.

The square root of 28432626 is about 5332.2252390536. The cubic root of 28432626 is about 305.2148481732.

The spelling of 28432626 in words is "twenty-eight million, four hundred thirty-two thousand, six hundred twenty-six".