397433575 has 54 divisors (see below), whose sum is σ = 623628488. Its totient is φ = 245942400.

The previous prime is 397433573. The next prime is 397433579. The reversal of 397433575 is 575334793.

It is not a de Polignac number, because 397433575 - 2¹ = 397433573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397433573) 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 53 ways as a sum of consecutive naturals, for example, 2900907 + ... + 2901043.

Almost surely, 2^397433575 is an apocalyptic number.

397433575 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

397433575 is a deficient number, since it is larger than the sum of its proper divisors (226194913).

397433575 is a wasteful number, since it uses less digits than its factorization.

397433575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 160 counting only the distinct ones).

The product of its digits is 1190700, while the sum is 46.

The square root of 397433575 is about 19935.7361288717. The cubic root of 397433575 is about 735.2271191001.

The spelling of 397433575 in words is "three hundred ninety-seven million, four hundred thirty-three thousand, five hundred seventy-five".