397699463 has 16 divisors (see below), whose sum is σ = 476720640. Its totient is φ = 324383136.

The previous prime is 397699457. The next prime is 397699487. The reversal of 397699463 is 364996793.

It is not a de Polignac number, because 397699463 - 2⁴ = 397699447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 397699399 and 397699408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397699063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25448 + ... + 37986.

It is an arithmetic number, because the mean of its divisors is an integer number (29795040).

Almost surely, 2^397699463 is an apocalyptic number.

397699463 is a deficient number, since it is larger than the sum of its proper divisors (79021177).

397699463 is a wasteful number, since it uses less digits than its factorization.

397699463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12766.

The product of its digits is 6613488, while the sum is 56.

The square root of 397699463 is about 19942.4036414872. The cubic root of 397699463 is about 735.3910412430.

The spelling of 397699463 in words is "three hundred ninety-seven million, six hundred ninety-nine thousand, four hundred sixty-three".