28641150 has 36 divisors (see below), whose sum is σ = 76950432. Its totient is φ = 7637520.

The previous prime is 28641101. The next prime is 28641157. The reversal of 28641150 is 5114682.

28641150 is a `hidden beast` number, since 2 + 8 + 641 + 15 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28641157) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 31374 + ... + 32273.

It is an arithmetic number, because the mean of its divisors is an integer number (2137512).

Almost surely, 2^28641150 is an apocalyptic number.

28641150 is an abundant number, since it is smaller than the sum of its proper divisors (48309282).

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

28641150 is a wasteful number, since it uses less digits than its factorization.

28641150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63665 (or 63657 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 28641150 is about 5351.7427068199. The cubic root of 28641150 is about 305.9591769198.

The spelling of 28641150 in words is "twenty-eight million, six hundred forty-one thousand, one hundred fifty".