397388541 has 32 divisors (see below), whose sum is σ = 599063040. Its totient is φ = 232232000.

The previous prime is 397388539. The next prime is 397388543. The reversal of 397388541 is 145883793.

It is an interprime number because it is at equal distance from previous prime (397388539) and next prime (397388543).

It is not a de Polignac number, because 397388541 - 2¹ = 397388539 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397388543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101266 + ... + 105116.

It is an arithmetic number, because the mean of its divisors is an integer number (18720720).

Almost surely, 2^397388541 is an apocalyptic number.

It is an amenable number.

397388541 is a deficient number, since it is larger than the sum of its proper divisors (201674499).

397388541 is a wasteful number, since it uses less digits than its factorization.

397388541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3977.

The product of its digits is 725760, while the sum is 48.

The square root of 397388541 is about 19934.6066176386. The cubic root of 397388541 is about 735.1993480286.

The spelling of 397388541 in words is "three hundred ninety-seven million, three hundred eighty-eight thousand, five hundred forty-one".