28936270 has 32 divisors (see below), whose sum is σ = 57114720. Its totient is φ = 10467840.

The previous prime is 28936253. The next prime is 28936273. The reversal of 28936270 is 7263982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28936273) 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, 25066 + ... + 26194.

It is an arithmetic number, because the mean of its divisors is an integer number (1784835).

Almost surely, 2^28936270 is an apocalyptic number.

28936270 is a deficient number, since it is larger than the sum of its proper divisors (28178450).

28936270 is a wasteful number, since it uses less digits than its factorization.

28936270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 28936270 is about 5379.2443707272. The cubic root of 28936270 is about 307.0064614710.

The spelling of 28936270 in words is "twenty-eight million, nine hundred thirty-six thousand, two hundred seventy".