396383891636 has 24 divisors (see below), whose sum is σ = 752390089416. Its totient is φ = 181983994880.

The previous prime is 396383891633. The next prime is 396383891639. The reversal of 396383891636 is 636198383693.

It is an interprime number because it is at equal distance from previous prime (396383891633) and next prime (396383891639).

It can be written as a sum of positive squares in 4 ways, for example, as 48571752100 + 347812139536 = 220390^2 + 589756^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396383891633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71084711 + ... + 71090286.

It is an arithmetic number, because the mean of its divisors is an integer number (31349587059).

Almost surely, 2^396383891636 is an apocalyptic number.

It is an amenable number.

396383891636 is a deficient number, since it is larger than the sum of its proper divisors (356006197780).

396383891636 is a wasteful number, since it uses less digits than its factorization.

396383891636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142175059 (or 142175057 counting only the distinct ones).

The product of its digits is 90699264, while the sum is 65.

The spelling of 396383891636 in words is "three hundred ninety-six billion, three hundred eighty-three million, eight hundred ninety-one thousand, six hundred thirty-six".