397543411 has 4 divisors (see below), whose sum is σ = 410367424. Its totient is φ = 384719400.

The previous prime is 397543381. The next prime is 397543423. The reversal of 397543411 is 114345793.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 397543411 - 2¹⁷ = 397412339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397543451) 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 3 ways as a sum of consecutive naturals, for example, 6411960 + ... + 6412021.

It is an arithmetic number, because the mean of its divisors is an integer number (102591856).

Almost surely, 2^397543411 is an apocalyptic number.

397543411 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

397543411 is a deficient number, since it is larger than the sum of its proper divisors (12824013).

397543411 is a wasteful number, since it uses less digits than its factorization.

397543411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12824012.

The product of its digits is 45360, while the sum is 37.

The square root of 397543411 is about 19938.4906901200. The cubic root of 397543411 is about 735.2948427592.

The spelling of 397543411 in words is "three hundred ninety-seven million, five hundred forty-three thousand, four hundred eleven".