396745229585 has 16 divisors (see below), whose sum is σ = 477367506000. Its totient is φ = 316547997696.

The previous prime is 396745229567. The next prime is 396745229633. The reversal of 396745229585 is 585922547693.

It can be written as a sum of positive squares in 8 ways, for example, as 88568140816 + 308177088769 = 297604^2 + 555137^2 .

It is a cyclic number.

It is not a de Polignac number, because 396745229585 - 2¹⁸ = 396744967441 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5145437 + ... + 5221973.

It is an arithmetic number, because the mean of its divisors is an integer number (29835469125).

Almost surely, 2^396745229585 is an apocalyptic number.

It is an amenable number.

396745229585 is a deficient number, since it is larger than the sum of its proper divisors (80622276415).

396745229585 is a wasteful number, since it uses less digits than its factorization.

396745229585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79300.

The product of its digits is 163296000, while the sum is 65.

The spelling of 396745229585 in words is "three hundred ninety-six billion, seven hundred forty-five million, two hundred twenty-nine thousand, five hundred eighty-five".