28210650 has 192 divisors, whose sum is σ = 85494528. Its totient is φ = 6082560.

The previous prime is 28210619. The next prime is 28210661. The reversal of 28210650 is 5601282.

It is a self number, because there is not a number n which added to its sum of digits gives 28210650.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 762432 + ... + 762468.

It is an arithmetic number, because the mean of its divisors is an integer number (445284).

Almost surely, 2^28210650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28210650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42747264).

28210650 is an abundant number, since it is smaller than the sum of its proper divisors (57283878).

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

28210650 is a wasteful number, since it uses less digits than its factorization.

28210650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 28210650 is about 5311.3698797956. The cubic root of 28210650 is about 304.4184924786.

The spelling of 28210650 in words is "twenty-eight million, two hundred ten thousand, six hundred fifty".