4938440 has 32 divisors (see below), whose sum is σ = 11967480. Its totient is φ = 1823232.

The previous prime is 4938413. The next prime is 4938443. The reversal of 4938440 is 448394.

It can be written as a sum of positive squares in 4 ways, for example, as 1705636 + 3232804 = 1306^2 + 1798^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4938397 and 4938406.

It is not an unprimeable number, because it can be changed into a prime (4938443) 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, 4229 + ... + 5268.

Almost surely, 2^4938440 is an apocalyptic number.

4938440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4938440 is an abundant number, since it is smaller than the sum of its proper divisors (7029040).

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

4938440 is a wasteful number, since it uses less digits than its factorization.

4938440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9521 (or 9517 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 4938440 is about 2222.2601107881. The cubic root of 4938440 is about 170.2929205952.

The spelling of 4938440 in words is "four million, nine hundred thirty-eight thousand, four hundred forty".