28953849 has 16 divisors (see below), whose sum is σ = 40891392. Its totient is φ = 18184848.

The previous prime is 28953823. The next prime is 28953857. The reversal of 28953849 is 94835982.

It is not a de Polignac number, because 28953849 - 2⁵ = 28953817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28953798 and 28953807.

It is not an unprimeable number, because it can be changed into a prime (28953809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1492 + ... + 7754.

It is an arithmetic number, because the mean of its divisors is an integer number (2555712).

Almost surely, 2^28953849 is an apocalyptic number.

It is an amenable number.

28953849 is a deficient number, since it is larger than the sum of its proper divisors (11937543).

28953849 is a wasteful number, since it uses less digits than its factorization.

28953849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6356.

The product of its digits is 622080, while the sum is 48.

The square root of 28953849 is about 5380.8780881934. The cubic root of 28953849 is about 307.0686184580.

The spelling of 28953849 in words is "twenty-eight million, nine hundred fifty-three thousand, eight hundred forty-nine".