28472160 has 96 divisors (see below), whose sum is σ = 93623040. Its totient is φ = 7259648.

The previous prime is 28472159. The next prime is 28472201. The reversal of 28472160 is 6127482.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9751 + ... + 12329.

It is an arithmetic number, because the mean of its divisors is an integer number (975240).

Almost surely, 2^28472160 is an apocalyptic number.

28472160 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 28472160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46811520).

28472160 is an abundant number, since it is smaller than the sum of its proper divisors (65150880).

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

28472160 is a wasteful number, since it uses less digits than its factorization.

28472160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620 (or 2612 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 28472160 is about 5335.9310340371. The cubic root of 28472160 is about 305.3562441360.

The spelling of 28472160 in words is "twenty-eight million, four hundred seventy-two thousand, one hundred sixty".