397520341 has 8 divisors (see below), whose sum is σ = 409415040. Its totient is φ = 385686288.

The previous prime is 397520311. The next prime is 397520353. The reversal of 397520341 is 143025793.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-397520341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 397520297 and 397520306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397520311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1681 + ... + 28246.

It is an arithmetic number, because the mean of its divisors is an integer number (51176880).

Almost surely, 2^397520341 is an apocalyptic number.

It is an amenable number.

397520341 is a deficient number, since it is larger than the sum of its proper divisors (11894699).

397520341 is a wasteful number, since it uses less digits than its factorization.

397520341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30323.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 397520341 is about 19937.9121524798. The cubic root of 397520341 is about 735.2806190881.

The spelling of 397520341 in words is "three hundred ninety-seven million, five hundred twenty thousand, three hundred forty-one".