4921444 has 24 divisors (see below), whose sum is σ = 9652608. Its totient is φ = 2175840.

The previous prime is 4921429. The next prime is 4921447. The reversal of 4921444 is 4441294.

It is a super-2 number, since 2×4921444² = 48441222090272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4921447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117 + ... + 3139.

It is an arithmetic number, because the mean of its divisors is an integer number (402192).

Almost surely, 2^4921444 is an apocalyptic number.

4921444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4921444 is a deficient number, since it is larger than the sum of its proper divisors (4731164).

4921444 is a wasteful number, since it uses less digits than its factorization.

4921444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075 (or 3073 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 4921444 is about 2218.4327801401. The cubic root of 4921444 is about 170.0973375667.

It can be divided in two parts, 492 and 1444, that added together give a square (1936 = 44²).

The spelling of 4921444 in words is "four million, nine hundred twenty-one thousand, four hundred forty-four".