28950160 has 20 divisors (see below), whose sum is σ = 67309308. Its totient is φ = 11580032.

The previous prime is 28950157. The next prime is 28950161. The reversal of 28950160 is 6105982.

It can be written as a sum of positive squares in 2 ways, for example, as 22127616 + 6822544 = 4704^2 + 2612^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×28950160² = 1676223528051200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28950161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180859 + ... + 181018.

Almost surely, 2^28950160 is an apocalyptic number.

28950160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28950160 is an abundant number, since it is smaller than the sum of its proper divisors (38359148).

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

28950160 is a wasteful number, since it uses less digits than its factorization.

28950160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361890 (or 361884 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 28950160 is about 5380.5352893555. The cubic root of 28950160 is about 307.0555767349.

The spelling of 28950160 in words is "twenty-eight million, nine hundred fifty thousand, one hundred sixty".