28454006 has 12 divisors (see below), whose sum is σ = 49649508. Its totient is φ = 12194532.

The previous prime is 28453993. The next prime is 28454009. The reversal of 28454006 is 60045482.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28454006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28454009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 145076 + ... + 145271.

It is an arithmetic number, because the mean of its divisors is an integer number (4137459).

Almost surely, 2^28454006 is an apocalyptic number.

28454006 is a deficient number, since it is larger than the sum of its proper divisors (21195502).

28454006 is a wasteful number, since it uses less digits than its factorization.

28454006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290363 (or 290356 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 28454006 is about 5334.2296538488. The cubic root of 28454006 is about 305.2913314183.

Adding to 28454006 its reverse (60045482), we get a palindrome (88499488).

The spelling of 28454006 in words is "twenty-eight million, four hundred fifty-four thousand, six".