4990856 has 32 divisors (see below), whose sum is σ = 10358040. Its totient is φ = 2239488.

The previous prime is 4990849. The next prime is 4990891. The reversal of 4990856 is 6580994.

4990856 is nontrivially palindromic in base 6.

It can be written as a sum of positive squares in 4 ways, for example, as 4990756 + 100 = 2234^2 + 10^2 .

It is a super-2 number, since 2×4990856² = 49817287225472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3200 + ... + 4496.

Almost surely, 2^4990856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4990856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5179020).

4990856 is an abundant number, since it is smaller than the sum of its proper divisors (5367184).

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

4990856 is a wasteful number, since it uses less digits than its factorization.

4990856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353 (or 1349 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 4990856 is about 2234.0223812666. The cubic root of 4990856 is about 170.8932909245.

The spelling of 4990856 in words is "four million, nine hundred ninety thousand, eight hundred fifty-six".