10280304 has 80 divisors (see below), whose sum is σ = 30132000. Its totient is φ = 3354624.

The previous prime is 10280293. The next prime is 10280321. The reversal of 10280304 is 40308201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22672 + ... + 23120.

It is an arithmetic number, because the mean of its divisors is an integer number (376650).

Almost surely, 2^10280304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10280304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15066000).

10280304 is an abundant number, since it is smaller than the sum of its proper divisors (19851696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10280304 is a wasteful number, since it uses less digits than its factorization.

10280304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 10280304 is about 3206.2913155233. The cubic root of 10280304 is about 217.4379371079.

Adding to 10280304 its reverse (40308201), we get a palindrome (50588505).

The spelling of 10280304 in words is "ten million, two hundred eighty thousand, three hundred four".