28651350 has 96 divisors (see below), whose sum is σ = 87494400. Its totient is φ = 6042240.

The previous prime is 28651349. The next prime is 28651361. The reversal of 28651350 is 5315682.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12601 + ... + 14699.

It is an arithmetic number, because the mean of its divisors is an integer number (911400).

Almost surely, 2^28651350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28651350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43747200).

28651350 is an abundant number, since it is smaller than the sum of its proper divisors (58843050).

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

28651350 is a wasteful number, since it uses less digits than its factorization.

28651350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134 (or 2129 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 28651350 is about 5352.6955826013. The cubic root of 28651350 is about 305.9954931200.

The spelling of 28651350 in words is "twenty-eight million, six hundred fifty-one thousand, three hundred fifty".