397416282 has 8 divisors (see below), whose sum is σ = 794832576. Its totient is φ = 132472092.

The previous prime is 397416233. The next prime is 397416317. The reversal of 397416282 is 282614793.

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

397416282 is an admirable number.

It is a super-3 number, since 3×397416282³ (a number of 27 digits) contains 333 as substring.

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, 33118018 + ... + 33118029.

It is an arithmetic number, because the mean of its divisors is an integer number (99354072).

Almost surely, 2^397416282 is an apocalyptic number.

397416282 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

397416282 is a wasteful number, since it uses less digits than its factorization.

397416282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66236052.

The product of its digits is 145152, while the sum is 42.

The square root of 397416282 is about 19935.3024055318. The cubic root of 397416282 is about 735.2164552913.

The spelling of 397416282 in words is "three hundred ninety-seven million, four hundred sixteen thousand, two hundred eighty-two".