397281141 has 12 divisors (see below), whose sum is σ = 574026700. Its totient is φ = 264772800.

The previous prime is 397281133. The next prime is 397281167. The reversal of 397281141 is 141182793.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 258277041 + 139004100 = 16071^2 + 11790^2 .

It is not a de Polignac number, because 397281141 - 2³ = 397281133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 397281096 and 397281105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397281191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44991 + ... + 53091.

Almost surely, 2^397281141 is an apocalyptic number.

It is an amenable number.

397281141 is a deficient number, since it is larger than the sum of its proper divisors (176745559).

397281141 is a wasteful number, since it uses less digits than its factorization.

397281141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13556 (or 13553 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 397281141 is about 19931.9126277435. The cubic root of 397281141 is about 735.1331093089.

The spelling of 397281141 in words is "three hundred ninety-seven million, two hundred eighty-one thousand, one hundred forty-one".