28601650 has 192 divisors, whose sum is σ = 77137920. Its totient is φ = 7603200.

The previous prime is 28601647. The next prime is 28601689. The reversal of 28601650 is 5610682.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1243539 + ... + 1243561.

It is an arithmetic number, because the mean of its divisors is an integer number (401760).

Almost surely, 2^28601650 is an apocalyptic number.

28601650 is an abundant number, since it is smaller than the sum of its proper divisors (48536270).

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

28601650 is a wasteful number, since it uses less digits than its factorization.

28601650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 28601650 is about 5348.0510468768. The cubic root of 28601650 is about 305.8184592515.

The spelling of 28601650 in words is "twenty-eight million, six hundred one thousand, six hundred fifty".