28347016 has 16 divisors (see below), whose sum is σ = 54282240. Its totient is φ = 13871760.

The previous prime is 28347001. The next prime is 28347023. The reversal of 28347016 is 61074382.

It is a super-2 number, since 2×28347016² = 1607106632208512, which contains 22 as substring.

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, 37320 + ... + 38071.

It is an arithmetic number, because the mean of its divisors is an integer number (3392640).

Almost surely, 2^28347016 is an apocalyptic number.

It is an amenable number.

28347016 is a deficient number, since it is larger than the sum of its proper divisors (25935224).

28347016 is a wasteful number, since it uses less digits than its factorization.

28347016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75444 (or 75440 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 28347016 is about 5324.1915818272. The cubic root of 28347016 is about 304.9082085148.

The spelling of 28347016 in words is "twenty-eight million, three hundred forty-seven thousand, sixteen".