1003868 has 6 divisors (see below), whose sum is σ = 1756776. Its totient is φ = 501932.

The previous prime is 1003841. The next prime is 1003879. The reversal of 1003868 is 8683001.

It is a super-2 number, since 2×1003868² = 2015501922848, 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 (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125480 + ... + 125487.

It is an arithmetic number, because the mean of its divisors is an integer number (292796).

2^1003868 is an apocalyptic number.

It is an amenable number.

1003868 is a deficient number, since it is larger than the sum of its proper divisors (752908).

1003868 is a wasteful number, since it uses less digits than its factorization.

1003868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250971 (or 250969 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1003868 is about 1001.9321334302. The cubic root of 1003868 is about 100.1287674516.

Adding to 1003868 its reverse (8683001), we get a palindrome (9686869).

The spelling of 1003868 in words is "one million, three thousand, eight hundred sixty-eight".