28361006 has 4 divisors (see below), whose sum is σ = 42541512. Its totient is φ = 14180502.

The previous prime is 28360987. The next prime is 28361027. The reversal of 28361006 is 60016382.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60016382 = 2 ⋅30008191.

It is a super-2 number, since 2×28361006² = 1608693322664072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7090250 + ... + 7090253.

It is an arithmetic number, because the mean of its divisors is an integer number (10635378).

Almost surely, 2^28361006 is an apocalyptic number.

28361006 is a deficient number, since it is larger than the sum of its proper divisors (14180506).

28361006 is a wasteful number, since it uses less digits than its factorization.

28361006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14180505.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 28361006 is about 5325.5052342477. The cubic root of 28361006 is about 304.9583603461.

Adding to 28361006 its reverse (60016382), we get a palindrome (88377388).

The spelling of 28361006 in words is "twenty-eight million, three hundred sixty-one thousand, six".