4990212 has 18 divisors (see below), whose sum is σ = 12614238. Its totient is φ = 1663392.

The previous prime is 4990201. The next prime is 4990213. The reversal of 4990212 is 2120994.

It can be written as a sum of positive squares in only one way, i.e., 4562496 + 427716 = 2136^2 + 654^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (4990213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69273 + ... + 69344.

It is an arithmetic number, because the mean of its divisors is an integer number (700791).

Almost surely, 2^4990212 is an apocalyptic number.

It is an amenable number.

4990212 is an abundant number, since it is smaller than the sum of its proper divisors (7624026).

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

4990212 is a wasteful number, since it uses less digits than its factorization.

4990212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138627 (or 138622 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 4990212 is about 2233.8782419819. The cubic root of 4990212 is about 170.8859401472.

The spelling of 4990212 in words is "four million, nine hundred ninety thousand, two hundred twelve".