281938041 has 24 divisors (see below), whose sum is σ = 507733824. Its totient is φ = 146460960.

The previous prime is 281938031. The next prime is 281938061. The reversal of 281938041 is 140839182.

It is not a de Polignac number, because 281938041 - 2¹⁷ = 281806969 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 281937987 and 281938005.

It is not an unprimeable number, because it can be changed into a prime (281938001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202726 + ... + 204111.

It is an arithmetic number, because the mean of its divisors is an integer number (21155576).

Almost surely, 2^281938041 is an apocalyptic number.

281938041 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

281938041 is a deficient number, since it is larger than the sum of its proper divisors (225795783).

281938041 is a wasteful number, since it uses less digits than its factorization.

281938041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406861 (or 406858 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 281938041 is about 16791.0107200252. The cubic root of 281938041 is about 655.7191882894.

The spelling of 281938041 in words is "two hundred eighty-one million, nine hundred thirty-eight thousand, forty-one".