281412406 has 32 divisors (see below), whose sum is σ = 490779648. Its totient is φ = 119739840.

The previous prime is 281412371. The next prime is 281412409. The reversal of 281412406 is 604214182.

281412406 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (281412409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17866 + ... + 29698.

It is an arithmetic number, because the mean of its divisors is an integer number (15336864).

Almost surely, 2^281412406 is an apocalyptic number.

281412406 is a deficient number, since it is larger than the sum of its proper divisors (209367242).

281412406 is a wasteful number, since it uses less digits than its factorization.

281412406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11916.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 281412406 is about 16775.3511438658. The cubic root of 281412406 is about 655.3114351384.

Adding to 281412406 its reverse (604214182), we get a palindrome (885626588).

The spelling of 281412406 in words is "two hundred eighty-one million, four hundred twelve thousand, four hundred six".