28370296 has 8 divisors (see below), whose sum is σ = 53194320. Its totient is φ = 14185144.

The previous prime is 28370291. The next prime is 28370347. The reversal of 28370296 is 69207382.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28370291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1773136 + ... + 1773151.

It is an arithmetic number, because the mean of its divisors is an integer number (6649290).

Almost surely, 2^28370296 is an apocalyptic number.

It is an amenable number.

28370296 is a deficient number, since it is larger than the sum of its proper divisors (24824024).

28370296 is a wasteful number, since it uses less digits than its factorization.

28370296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3546293 (or 3546289 counting only the distinct ones).

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

The square root of 28370296 is about 5326.3773805467. The cubic root of 28370296 is about 304.9916543448.

The spelling of 28370296 in words is "twenty-eight million, three hundred seventy thousand, two hundred ninety-six".