281948 has 6 divisors (see below), whose sum is σ = 493416. Its totient is φ = 140972.

The previous prime is 281947. The next prime is 281959. The reversal of 281948 is 849182.

It is a happy number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 281948.

It is not an unprimeable number, because it can be changed into a prime (281947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35240 + ... + 35247.

It is an arithmetic number, because the mean of its divisors is an integer number (82236).

2²⁸¹⁹⁴⁸ is an apocalyptic number.

It is an amenable number.

281948 is a deficient number, since it is larger than the sum of its proper divisors (211468).

281948 is a wasteful number, since it uses less digits than its factorization.

281948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70491 (or 70489 counting only the distinct ones).

The product of its digits is 4608, while the sum is 32.

The square root of 281948 is about 530.9877588043. The cubic root of 281948 is about 65.5726908934.

The spelling of 281948 in words is "two hundred eighty-one thousand, nine hundred forty-eight".