28270352 has 20 divisors (see below), whose sum is σ = 59753616. Its totient is φ = 12850080.

The previous prime is 28270321. The next prime is 28270367. The reversal of 28270352 is 25307282.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80138 + ... + 80489.

Almost surely, 2^28270352 is an apocalyptic number.

28270352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28270352 is an abundant number, since it is smaller than the sum of its proper divisors (31483264).

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

28270352 is a wasteful number, since it uses less digits than its factorization.

28270352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160646 (or 160640 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 28270352 is about 5316.9871167796. The cubic root of 28270352 is about 304.6330874054.

The spelling of 28270352 in words is "twenty-eight million, two hundred seventy thousand, three hundred fifty-two".