1868003234 has 4 divisors (see below), whose sum is σ = 2802004854. Its totient is φ = 934001616.

The previous prime is 1868003233. The next prime is 1868003237. The reversal of 1868003234 is 4323008681.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4323008681 = 73 ⋅59219297.

It can be written as a sum of positive squares in only one way, i.e., 944025625 + 923977609 = 30725^2 + 30397^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1868003194 and 1868003203.

It is not an unprimeable number, because it can be changed into a prime (1868003233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 467000807 + ... + 467000810.

Almost surely, 2^1868003234 is an apocalyptic number.

1868003234 is a deficient number, since it is larger than the sum of its proper divisors (934001620).

1868003234 is an equidigital number, since it uses as much as digits as its factorization.

1868003234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934001619.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 1868003234 is about 43220.4029828506. The cubic root of 1868003234 is about 1231.5703023209.

The spelling of 1868003234 in words is "one billion, eight hundred sixty-eight million, three thousand, two hundred thirty-four".