28473150 has 48 divisors (see below), whose sum is σ = 71495424. Its totient is φ = 7498080.

The previous prime is 28473083. The next prime is 28473161. The reversal of 28473150 is 5137482.

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, 11307 + ... + 13593.

It is an arithmetic number, because the mean of its divisors is an integer number (1489488).

Almost surely, 2^28473150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28473150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35747712).

28473150 is an abundant number, since it is smaller than the sum of its proper divisors (43022274).

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

28473150 is a wasteful number, since it uses less digits than its factorization.

28473150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385 (or 2380 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 28473150 is about 5336.0238005466. The cubic root of 28473150 is about 305.3597832560.

The spelling of 28473150 in words is "twenty-eight million, four hundred seventy-three thousand, one hundred fifty".