4940840 has 32 divisors (see below), whose sum is σ = 11205000. Its totient is φ = 1960704.

The previous prime is 4940827. The next prime is 4940843. The reversal of 4940840 is 480494.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3161284 + 1779556 = 1778^2 + 1334^2 .

It is not an unprimeable number, because it can be changed into a prime (4940843) 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, 5546 + ... + 6374.

Almost surely, 2^4940840 is an apocalyptic number.

4940840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4940840 is an abundant number, since it is smaller than the sum of its proper divisors (6264160).

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

4940840 is a wasteful number, since it uses less digits than its factorization.

4940840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989 (or 985 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 4940840 is about 2222.8000359906. The cubic root of 4940840 is about 170.3205026400.

The spelling of 4940840 in words is "four million, nine hundred forty thousand, eight hundred forty".