28480310 has 8 divisors (see below), whose sum is σ = 51264576. Its totient is φ = 11392120.

The previous prime is 28480273. The next prime is 28480313. The reversal of 28480310 is 1308482.

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

It is a super-2 number, since 2×28480310² = 1622256115392200, which contains 22 as substring.

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 28480310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28480313) 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 3 ways as a sum of consecutive naturals, for example, 1424006 + ... + 1424025.

It is an arithmetic number, because the mean of its divisors is an integer number (6408072).

Almost surely, 2^28480310 is an apocalyptic number.

28480310 is a deficient number, since it is larger than the sum of its proper divisors (22784266).

28480310 is a wasteful number, since it uses less digits than its factorization.

28480310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2848038.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 28480310 is about 5336.6946699244. The cubic root of 28480310 is about 305.3853768744.

Adding to 28480310 its reverse (1308482), we get a palindrome (29788792).

The spelling of 28480310 in words is "twenty-eight million, four hundred eighty thousand, three hundred ten".