281396 has 12 divisors (see below), whose sum is σ = 497952. Its totient is φ = 139128.

The previous prime is 281381. The next prime is 281419. The reversal of 281396 is 693182.

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 281396.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71 + ... + 753.

It is an arithmetic number, because the mean of its divisors is an integer number (41496).

2²⁸¹³⁹⁶ is an apocalyptic number.

It is an amenable number.

281396 is a deficient number, since it is larger than the sum of its proper divisors (216556).

281396 is a wasteful number, since it uses less digits than its factorization.

281396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790 (or 788 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 281396 is about 530.4677181507. The cubic root of 281396 is about 65.5298700272.

The spelling of 281396 in words is "two hundred eighty-one thousand, three hundred ninety-six".