28083467 has 4 divisors (see below), whose sum is σ = 28216776. Its totient is φ = 27950160.

The previous prime is 28083457. The next prime is 28083479. The reversal of 28083467 is 76438082.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28083467 - 2¹² = 28079371 is a prime.

It is a super-2 number, since 2×28083467² = 1577362237480178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28083467.

It is not an unprimeable number, because it can be changed into a prime (28083457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66338 + ... + 66759.

It is an arithmetic number, because the mean of its divisors is an integer number (7054194).

Almost surely, 2^28083467 is an apocalyptic number.

28083467 is a deficient number, since it is larger than the sum of its proper divisors (133309).

28083467 is a wasteful number, since it uses less digits than its factorization.

28083467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133308.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 28083467 is about 5299.3836434061. The cubic root of 28083467 is about 303.9603299747.

The spelling of 28083467 in words is "twenty-eight million, eighty-three thousand, four hundred sixty-seven".