28974150 has 108 divisors (see below), whose sum is σ = 81636516. Its totient is φ = 7365600.

The previous prime is 28974149. The next prime is 28974151. The reversal of 28974150 is 5147982.

It is an interprime number because it is at equal distance from previous prime (28974149) and next prime (28974151).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28974151) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 432417 + ... + 432483.

Almost surely, 2^28974150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28974150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40818258).

28974150 is an abundant number, since it is smaller than the sum of its proper divisors (52662366).

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

28974150 is a wasteful number, since it uses less digits than its factorization.

28974150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 28974150 is about 5382.7641597975. The cubic root of 28974150 is about 307.1403687764.

The spelling of 28974150 in words is "twenty-eight million, nine hundred seventy-four thousand, one hundred fifty".