28953160 has 16 divisors (see below), whose sum is σ = 65144700. Its totient is φ = 11581248.

The previous prime is 28953149. The next prime is 28953173. The reversal of 28953160 is 6135982.

It can be written as a sum of positive squares in 2 ways, for example, as 28922884 + 30276 = 5378^2 + 174^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361875 + ... + 361954.

Almost surely, 2^28953160 is an apocalyptic number.

28953160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28953160 is an abundant number, since it is smaller than the sum of its proper divisors (36191540).

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

28953160 is a wasteful number, since it uses less digits than its factorization.

28953160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723840 (or 723836 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 28953160 is about 5380.8140648047. The cubic root of 28953160 is about 307.0661827202.

The spelling of 28953160 in words is "twenty-eight million, nine hundred fifty-three thousand, one hundred sixty".