28379276 has 12 divisors (see below), whose sum is σ = 50027208. Its totient is φ = 14085792.

The previous prime is 28379251. The next prime is 28379287. The reversal of 28379276 is 67297382.

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, 25346 + ... + 26441.

It is an arithmetic number, because the mean of its divisors is an integer number (4168934).

Almost surely, 2^28379276 is an apocalyptic number.

It is an amenable number.

28379276 is a deficient number, since it is larger than the sum of its proper divisors (21647932).

28379276 is a wasteful number, since it uses less digits than its factorization.

28379276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51928 (or 51926 counting only the distinct ones).

The product of its digits is 254016, while the sum is 44.

The square root of 28379276 is about 5327.2202882929. The cubic root of 28379276 is about 305.0238304412.

The spelling of 28379276 in words is "twenty-eight million, three hundred seventy-nine thousand, two hundred seventy-six".