4891004 has 6 divisors (see below), whose sum is σ = 8559264. Its totient is φ = 2445500.

The previous prime is 4891001. The next prime is 4891027. The reversal of 4891004 is 4001984.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4891001) by changing a digit.

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, 611372 + ... + 611379.

It is an arithmetic number, because the mean of its divisors is an integer number (1426544).

Almost surely, 2^4891004 is an apocalyptic number.

It is an amenable number.

4891004 is a deficient number, since it is larger than the sum of its proper divisors (3668260).

4891004 is a wasteful number, since it uses less digits than its factorization.

4891004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222755 (or 1222753 counting only the distinct ones).

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

The square root of 4891004 is about 2211.5614393455. The cubic root of 4891004 is about 169.7459180161.

Adding to 4891004 its reverse (4001984), we get a palindrome (8892988).

The spelling of 4891004 in words is "four million, eight hundred ninety-one thousand, four".