1868443376 has 20 divisors (see below), whose sum is σ = 3626232192. Its totient is φ = 932641536.

The previous prime is 1868443333. The next prime is 1868443393. The reversal of 1868443376 is 6733448681.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88976 + ... + 107951.

Almost surely, 2^1868443376 is an apocalyptic number.

1868443376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1868443376 is a deficient number, since it is larger than the sum of its proper divisors (1757788816).

1868443376 is a wasteful number, since it uses less digits than its factorization.

1868443376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197528 (or 197522 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 50.

The square root of 1868443376 is about 43225.4945142331. The cubic root of 1868443376 is about 1231.6670229327.

The spelling of 1868443376 in words is "one billion, eight hundred sixty-eight million, four hundred forty-three thousand, three hundred seventy-six".