861482397 has 8 divisors (see below), whose sum is σ = 1148911456. Its totient is φ = 574187472.

The previous prime is 861482341. The next prime is 861482437. The reversal of 861482397 is 793284168.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 861482397 - 2⁶ = 861482333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (861484397) 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 7 ways as a sum of consecutive naturals, for example, 17443 + ... + 45024.

It is an arithmetic number, because the mean of its divisors is an integer number (143613932).

Almost surely, 2^861482397 is an apocalyptic number.

It is an amenable number.

861482397 is a deficient number, since it is larger than the sum of its proper divisors (287429059).

861482397 is a wasteful number, since it uses less digits than its factorization.

861482397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67067.

The product of its digits is 580608, while the sum is 48.

The square root of 861482397 is about 29351.0203740858. The cubic root of 861482397 is about 951.5146280133.

The spelling of 861482397 in words is "eight hundred sixty-one million, four hundred eighty-two thousand, three hundred ninety-seven".