397854576 has 240 divisors, whose sum is σ = 1331176704. Its totient is φ = 108573696.

The previous prime is 397854571. The next prime is 397854601. The reversal of 397854576 is 675458793.

397854576 is a `hidden beast` number, since 3 + 97 + 8 + 545 + 7 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397854571) 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 47 ways as a sum of consecutive naturals, for example, 2903980 + ... + 2904116.

Almost surely, 2^397854576 is an apocalyptic number.

397854576 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397854576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665588352).

397854576 is an abundant number, since it is smaller than the sum of its proper divisors (933322128).

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

397854576 is a wasteful number, since it uses less digits than its factorization.

397854576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 259 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 54.

The square root of 397854576 is about 19946.2922870392. The cubic root of 397854576 is about 735.4866359441.

The spelling of 397854576 in words is "three hundred ninety-seven million, eight hundred fifty-four thousand, five hundred seventy-six".