396111285 has 24 divisors (see below), whose sum is σ = 691212600. Its totient is φ = 209837952.

The previous prime is 396111283. The next prime is 396111299. The reversal of 396111285 is 582111693.

396111285 is a `hidden beast` number, since 39 + 611 + 1 + 2 + 8 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1572516 + 394538769 = 1254^2 + 19863^2 .

It is not a de Polignac number, because 396111285 - 2¹ = 396111283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396111283) 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 23 ways as a sum of consecutive naturals, for example, 22834 + ... + 36243.

It is an arithmetic number, because the mean of its divisors is an integer number (28800525).

Almost surely, 2^396111285 is an apocalyptic number.

It is an amenable number.

396111285 is a deficient number, since it is larger than the sum of its proper divisors (295101315).

396111285 is a wasteful number, since it uses less digits than its factorization.

396111285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59237 (or 59234 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 396111285 is about 19902.5446865470. The cubic root of 396111285 is about 734.4108286971.

The spelling of 396111285 in words is "three hundred ninety-six million, one hundred eleven thousand, two hundred eighty-five".