28362146 has 8 divisors (see below), whose sum is σ = 42565824. Its totient is φ = 14173540.

The previous prime is 28362109. The next prime is 28362149. The reversal of 28362146 is 64126382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28362146² = 1608822651450632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28362149) 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, 5411 + ... + 9273.

It is an arithmetic number, because the mean of its divisors is an integer number (5320728).

Almost surely, 2^28362146 is an apocalyptic number.

28362146 is a deficient number, since it is larger than the sum of its proper divisors (14203678).

28362146 is a wasteful number, since it uses less digits than its factorization.

28362146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7536.

The product of its digits is 13824, while the sum is 32.

The square root of 28362146 is about 5325.6122652705. The cubic root of 28362146 is about 304.9624463304.

The spelling of 28362146 in words is "twenty-eight million, three hundred sixty-two thousand, one hundred forty-six".