4996440 has 48 divisors (see below), whose sum is σ = 16239600. Its totient is φ = 1332288.

The previous prime is 4996423. The next prime is 4996441. The reversal of 4996440 is 446994.

4996440 is a `hidden beast` number, since 4 + 9 + 9 + 644 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4996395 and 4996404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4996441) 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 11 ways as a sum of consecutive naturals, for example, 6580 + ... + 7299.

It is an arithmetic number, because the mean of its divisors is an integer number (338325).

Almost surely, 2^4996440 is an apocalyptic number.

4996440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4996440 is an abundant number, since it is smaller than the sum of its proper divisors (11243160).

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

4996440 is a wasteful number, since it uses less digits than its factorization.

4996440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13896 (or 13889 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 4996440 is about 2235.2717955542. The cubic root of 4996440 is about 170.9570016029.

The spelling of 4996440 in words is "four million, nine hundred ninety-six thousand, four hundred forty".