28246270 has 64 divisors (see below), whose sum is σ = 58189824. Its totient is φ = 9797760.

The previous prime is 28246247. The next prime is 28246289. The reversal of 28246270 is 7264282.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173209 + ... + 173371.

It is an arithmetic number, because the mean of its divisors is an integer number (909216).

Almost surely, 2^28246270 is an apocalyptic number.

28246270 is an abundant number, since it is smaller than the sum of its proper divisors (29943554).

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

28246270 is a wasteful number, since it uses less digits than its factorization.

28246270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 28246270 is about 5314.7220059002. The cubic root of 28246270 is about 304.5465626238.

The spelling of 28246270 in words is "twenty-eight million, two hundred forty-six thousand, two hundred seventy".