28590150 has 48 divisors (see below), whose sum is σ = 73995264. Its totient is φ = 7291680.

The previous prime is 28590139. The next prime is 28590181. The reversal of 28590150 is 5109582.

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 23 ways as a sum of consecutive naturals, for example, 694 + ... + 7593.

It is an arithmetic number, because the mean of its divisors is an integer number (1541568).

Almost surely, 2^28590150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28590150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36997632).

28590150 is an abundant number, since it is smaller than the sum of its proper divisors (45405114).

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

28590150 is a wasteful number, since it uses less digits than its factorization.

28590150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8325 (or 8320 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 28590150 is about 5346.9757807568. The cubic root of 28590150 is about 305.7774664680. Note that the first 3 decimals are identical.

The spelling of 28590150 in words is "twenty-eight million, five hundred ninety thousand, one hundred fifty".