4909212 has 162 divisors, whose sum is σ = 16556904. Its totient is φ = 1219680.

The previous prime is 4909199. The next prime is 4909241. The reversal of 4909212 is 2129094.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

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 53 ways as a sum of consecutive naturals, for example, 213433 + ... + 213455.

Almost surely, 2^4909212 is an apocalyptic number.

4909212 is a gapful number since it is divisible by the number (42) 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 4909212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8278452).

4909212 is an abundant number, since it is smaller than the sum of its proper divisors (11647692).

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

4909212 is a wasteful number, since it uses less digits than its factorization.

4909212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69 (or 46 counting only the distinct ones).

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

The square root of 4909212 is about 2215.6741637705. The cubic root of 4909212 is about 169.9562978783.

The spelling of 4909212 in words is "four million, nine hundred nine thousand, two hundred twelve".