397883546 has 8 divisors (see below), whose sum is σ = 597319380. Its totient is φ = 198777088.

The previous prime is 397883539. The next prime is 397883569. The reversal of 397883546 is 645388793.

It can be written as a sum of positive squares in 2 ways, for example, as 393427225 + 4456321 = 19835^2 + 2111^2 .

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

It is a super-3 number, since 3×397883546³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 79301 + ... + 84168.

Almost surely, 2^397883546 is an apocalyptic number.

397883546 is a deficient number, since it is larger than the sum of its proper divisors (199435834).

397883546 is a wasteful number, since it uses less digits than its factorization.

397883546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164688.

The product of its digits is 4354560, while the sum is 53.

The square root of 397883546 is about 19947.0184739474. The cubic root of 397883546 is about 735.5044871323.

It can be divided in two parts, 39788 and 3546, that added together give a palindrome (43334).

The spelling of 397883546 in words is "three hundred ninety-seven million, eight hundred eighty-three thousand, five hundred forty-six".