4917220 has 96 divisors (see below), whose sum is σ = 13418496. Its totient is φ = 1468800.

The previous prime is 4917217. The next prime is 4917277. The reversal of 4917220 is 227194.

4917220 = T₁ + T₂ + ... + T₃₀₈.

4917220 is a nontrivial binomial coefficient, being equal to C(310, 3).

It is an unprimeable number.

It is the 308-th tetrahedral 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 31 ways as a sum of consecutive naturals, for example, 47689 + ... + 47791.

It is an arithmetic number, because the mean of its divisors is an integer number (139776).

Almost surely, 2^4917220 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 4917220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6709248).

4917220 is an abundant number, since it is smaller than the sum of its proper divisors (8501276).

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

4917220 is a wasteful number, since it uses less digits than its factorization.

4917220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 4917220 is about 2217.4805523386. The cubic root of 4917220 is about 170.0486596577.

The spelling of 4917220 in words is "four million, nine hundred seventeen thousand, two hundred twenty".