28351050 has 192 divisors, whose sum is σ = 90660864. Its totient is φ = 5702400.

The previous prime is 28351033. The next prime is 28351069. The reversal of 28351050 is 5015382.

It is a super-2 number, since 2×28351050² = 1607564072205000, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28351050.

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 423117 + ... + 423183.

It is an arithmetic number, because the mean of its divisors is an integer number (472192).

Almost surely, 2^28351050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28351050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45330432).

28351050 is an abundant number, since it is smaller than the sum of its proper divisors (62309814).

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

28351050 is a wasteful number, since it uses less digits than its factorization.

28351050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 28351050 is about 5324.5704052064. The cubic root of 28351050 is about 304.9226714289.

The spelling of 28351050 in words is "twenty-eight million, three hundred fifty-one thousand, fifty".