28279150 has 12 divisors (see below), whose sum is σ = 52599312. Its totient is φ = 11311640.

The previous prime is 28279117. The next prime is 28279151. The reversal of 28279150 is 5197282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28279151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 282742 + ... + 282841.

It is an arithmetic number, because the mean of its divisors is an integer number (4383276).

Almost surely, 2^28279150 is an apocalyptic number.

28279150 is a deficient number, since it is larger than the sum of its proper divisors (24320162).

28279150 is a wasteful number, since it uses less digits than its factorization.

28279150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565595 (or 565590 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 28279150 is about 5317.8144006725. The cubic root of 28279150 is about 304.6646856904.

The spelling of 28279150 in words is "twenty-eight million, two hundred seventy-nine thousand, one hundred fifty".