28153118 has 16 divisors (see below), whose sum is σ = 48334560. Its totient is φ = 12047616.

The previous prime is 28153067. The next prime is 28153121. The reversal of 28153118 is 81135182.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13130 + ... + 15122.

It is an arithmetic number, because the mean of its divisors is an integer number (3020910).

Almost surely, 2^28153118 is an apocalyptic number.

28153118 is a deficient number, since it is larger than the sum of its proper divisors (20181442).

28153118 is a wasteful number, since it uses less digits than its factorization.

28153118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011.

The product of its digits is 1920, while the sum is 29.

The square root of 28153118 is about 5305.9511871106. The cubic root of 28153118 is about 304.2114108276.

The spelling of 28153118 in words is "twenty-eight million, one hundred fifty-three thousand, one hundred eighteen".