4996840 has 32 divisors (see below), whose sum is σ = 11459880. Its totient is φ = 1960192.

The previous prime is 4996757. The next prime is 4996841. The reversal of 4996840 is 486994.

It can be written as a sum of positive squares in 4 ways, for example, as 3755844 + 1240996 = 1938^2 + 1114^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 4996793 and 4996802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4996841) 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, 942 + ... + 3298.

Almost surely, 2^4996840 is an apocalyptic number.

4996840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4996840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5729940).

4996840 is an abundant number, since it is smaller than the sum of its proper divisors (6463040).

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

4996840 is a wasteful number, since it uses less digits than its factorization.

4996840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421 (or 2417 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 4996840 is about 2235.3612683412. The cubic root of 4996840 is about 170.9615635828.

The spelling of 4996840 in words is "four million, nine hundred ninety-six thousand, eight hundred forty".