1143084386 has 8 divisors (see below), whose sum is σ = 1815487020. Its totient is φ = 537922048.

The previous prime is 1143084377. The next prime is 1143084407. The reversal of 1143084386 is 6834803411.

It can be written as a sum of positive squares in 2 ways, for example, as 1140345361 + 2739025 = 33769^2 + 1655^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 16810031 + ... + 16810098.

Almost surely, 2^1143084386 is an apocalyptic number.

1143084386 is a deficient number, since it is larger than the sum of its proper divisors (672402634).

1143084386 is a wasteful number, since it uses less digits than its factorization.

1143084386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33620148.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 1143084386 is about 33809.5309934935. The cubic root of 1143084386 is about 1045.5852085679.

Adding to 1143084386 its reverse (6834803411), we get a palindrome (7977887797).

The spelling of 1143084386 in words is "one billion, one hundred forty-three million, eighty-four thousand, three hundred eighty-six".