387568436 has 12 divisors (see below), whose sum is σ = 691042212. Its totient is φ = 190127808.

The previous prime is 387568429. The next prime is 387568459. The reversal of 387568436 is 634865783.

It can be written as a sum of positive squares in 2 ways, for example, as 222188836 + 165379600 = 14906^2 + 12860^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913865 + ... + 914288.

It is an arithmetic number, because the mean of its divisors is an integer number (57586851).

Almost surely, 2^387568436 is an apocalyptic number.

It is an amenable number.

387568436 is a deficient number, since it is larger than the sum of its proper divisors (303473776).

387568436 is a wasteful number, since it uses less digits than its factorization.

387568436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828210 (or 1828208 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 50.

The square root of 387568436 is about 19686.7578844258. The cubic root of 387568436 is about 729.0927843175.

The spelling of 387568436 in words is "three hundred eighty-seven million, five hundred sixty-eight thousand, four hundred thirty-six".