1868487076 has 9 divisors (see below), whose sum is σ = 3270003681. Its totient is φ = 934200312.

The previous prime is 1868487043. The next prime is 1868487091. The reversal of 1868487076 is 6707848681.

It is a happy number.

The square root of 1868487076 is 43226.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1867104100 + 1382976 = 43210^2 + 1176^2 .

It is a Duffinian 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 2 ways as a sum of consecutive naturals, for example, 75646 + ... + 97258.

Almost surely, 2^1868487076 is an apocalyptic number.

1868487076 is the 43226-th square number.

It is an amenable number.

1868487076 is a deficient number, since it is larger than the sum of its proper divisors (1401516605).

1868487076 is an frugal number, since it uses more digits than its factorization.

1868487076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43230 (or 21615 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 55.

The cubic root of 1868487076 is about 1231.6766251200.

The spelling of 1868487076 in words is "one billion, eight hundred sixty-eight million, four hundred eighty-seven thousand, seventy-six".