10281402 has 24 divisors (see below), whose sum is σ = 22407840. Its totient is φ = 3406920.

The previous prime is 10281377. The next prime is 10281407. The reversal of 10281402 is 20418201.

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

It is not an unprimeable number, because it can be changed into a prime (10281407) 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 11 ways as a sum of consecutive naturals, for example, 1627 + ... + 4817.

It is an arithmetic number, because the mean of its divisors is an integer number (933660).

Almost surely, 2^10281402 is an apocalyptic number.

10281402 is an abundant number, since it is smaller than the sum of its proper divisors (12126438).

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

10281402 is a wasteful number, since it uses less digits than its factorization.

10281402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378 (or 3375 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 10281402 is about 3206.4625368153. The cubic root of 10281402 is about 217.4456780708.

Adding to 10281402 its reverse (20418201), we get a palindrome (30699603).

The spelling of 10281402 in words is "ten million, two hundred eighty-one thousand, four hundred two".