397105735 has 16 divisors (see below), whose sum is σ = 513606240. Its totient is φ = 293005440.

The previous prime is 397105727. The next prime is 397105747. The reversal of 397105735 is 537501793.

It is not a de Polignac number, because 397105735 - 2³ = 397105727 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 130380 + ... + 133390.

It is an arithmetic number, because the mean of its divisors is an integer number (32100390).

Almost surely, 2^397105735 is an apocalyptic number.

397105735 is a deficient number, since it is larger than the sum of its proper divisors (116500505).

397105735 is a wasteful number, since it uses less digits than its factorization.

397105735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5058.

The product of its (nonzero) digits is 99225, while the sum is 40.

The square root of 397105735 is about 19927.5120122909. The cubic root of 397105735 is about 735.0249023602.

The spelling of 397105735 in words is "three hundred ninety-seven million, one hundred five thousand, seven hundred thirty-five".