4990356 has 144 divisors (see below), whose sum is σ = 16087680. Its totient is φ = 1330560.

The previous prime is 4990343. The next prime is 4990357. The reversal of 4990356 is 6530994.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4990356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4990357) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 121696 + ... + 121736.

It is an arithmetic number, because the mean of its divisors is an integer number (111720).

Almost surely, 2^4990356 is an apocalyptic number.

4990356 is a gapful number since it is divisible by the number (46) 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 4990356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8043840).

4990356 is an abundant number, since it is smaller than the sum of its proper divisors (11097324).

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

4990356 is a wasteful number, since it uses less digits than its factorization.

4990356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 4990356 is about 2233.9104726913. The cubic root of 4990356 is about 170.8875838542.

The spelling of 4990356 in words is "four million, nine hundred ninety thousand, three hundred fifty-six".