4864440 has 64 divisors (see below), whose sum is σ = 16680960. Its totient is φ = 1111680.

The previous prime is 4864429. The next prime is 4864451. The reversal of 4864440 is 444684.

It is an interprime number because it is at equal distance from previous prime (4864429) and next prime (4864451).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4864398 and 4864407.

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 in 15 ways as a sum of consecutive naturals, for example, 2056 + ... + 3735.

It is an arithmetic number, because the mean of its divisors is an integer number (260640).

Almost surely, 2^4864440 is an apocalyptic number.

4864440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4864440 is an abundant number, since it is smaller than the sum of its proper divisors (11816520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4864440 is a wasteful number, since it uses less digits than its factorization.

4864440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5812 (or 5808 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 4864440 is about 2205.5475510630. The cubic root of 4864440 is about 169.4380522139.

It can be divided in two parts, 48644 and 40, that added together give a palindrome (48684).

The spelling of 4864440 in words is "four million, eight hundred sixty-four thousand, four hundred forty".