1004861 has 8 divisors (see below), whose sum is σ = 1180704. Its totient is φ = 843120.

The previous prime is 1004797. The next prime is 1004873. The reversal of 1004861 is 1684001.

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

It is a cyclic number.

It is not a de Polignac number, because 1004861 - 2⁶ = 1004797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3371 + ... + 3656.

It is an arithmetic number, because the mean of its divisors is an integer number (147588).

2^1004861 is an apocalyptic number.

1004861 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1004861 is a deficient number, since it is larger than the sum of its proper divisors (175843).

1004861 is a wasteful number, since it uses less digits than its factorization.

1004861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7051.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1004861 is about 1002.4275534920. The cubic root of 1004861 is about 100.1617714921.

Adding to 1004861 its reverse (1684001), we get a palindrome (2688862).

The spelling of 1004861 in words is "one million, four thousand, eight hundred sixty-one".