10280388 has 12 divisors (see below), whose sum is σ = 23987600. Its totient is φ = 3426792.

The previous prime is 10280383. The next prime is 10280423. The reversal of 10280388 is 88308201.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (10280383) 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, 428338 + ... + 428361.

Almost surely, 2^10280388 is an apocalyptic number.

It is an amenable number.

10280388 is an abundant number, since it is smaller than the sum of its proper divisors (13707212).

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

10280388 is a wasteful number, since it uses less digits than its factorization.

10280388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856706 (or 856704 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 10280388 is about 3206.3044147429. The cubic root of 10280388 is about 217.4385293322.

Adding to 10280388 its reverse (88308201), we get a palindrome (98588589).

The spelling of 10280388 in words is "ten million, two hundred eighty thousand, three hundred eighty-eight".