436378868 has 12 divisors (see below), whose sum is σ = 776606880. Its totient is φ = 214491192.

The previous prime is 436378853. The next prime is 436378897. The reversal of 436378868 is 868873634.

It is a super-2 number, since 2×436378868² = 380853032873922848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 924296 + ... + 924767.

It is an arithmetic number, because the mean of its divisors is an integer number (64717240).

Almost surely, 2^436378868 is an apocalyptic number.

It is an amenable number.

436378868 is a deficient number, since it is larger than the sum of its proper divisors (340228012).

436378868 is a wasteful number, since it uses less digits than its factorization.

436378868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849126 (or 1849124 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 53.

The square root of 436378868 is about 20889.6832910411. The cubic root of 436378868 is about 758.4982278731.

The spelling of 436378868 in words is "four hundred thirty-six million, three hundred seventy-eight thousand, eight hundred sixty-eight".