4899644 has 24 divisors (see below), whose sum is σ = 9421440. Its totient is φ = 2219184.

The previous prime is 4899641. The next prime is 4899647. The reversal of 4899644 is 4469984.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4899641) and next prime (4899647).

It is a super-2 number, since 2×4899644² = 48013022653472, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4899595 and 4899604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4899641) 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 in 7 ways as a sum of consecutive naturals, for example, 347 + ... + 3149.

It is an arithmetic number, because the mean of its divisors is an integer number (392560).

Almost surely, 2^4899644 is an apocalyptic number.

It is an amenable number.

4899644 is a deficient number, since it is larger than the sum of its proper divisors (4521796).

4899644 is a wasteful number, since it uses less digits than its factorization.

4899644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849 (or 2847 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 4899644 is about 2213.5139484539. The cubic root of 4899644 is about 169.8458117522.

The spelling of 4899644 in words is "four million, eight hundred ninety-nine thousand, six hundred forty-four".