28955160 has 192 divisors, whose sum is σ = 106142400. Its totient is φ = 6792192.

The previous prime is 28955141. The next prime is 28955167. The reversal of 28955160 is 6155982.

It is a happy number.

It is a Cunningham number, because it is equal to 5381²-1.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28955167) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107506 + ... + 107774.

It is an arithmetic number, because the mean of its divisors is an integer number (552825).

Almost surely, 2^28955160 is an apocalyptic number.

28955160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28955160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53071200).

28955160 is an abundant number, since it is smaller than the sum of its proper divisors (77187240).

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

28955160 is a wasteful number, since it uses less digits than its factorization.

28955160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 28955160 is about 5380.9999070805. Note that the first 4 decimals coincide. The cubic root of 28955160 is about 307.0732529701.

The spelling of 28955160 in words is "twenty-eight million, nine hundred fifty-five thousand, one hundred sixty".