4943820 has 96 divisors (see below), whose sum is σ = 16128000. Its totient is φ = 1108224.

The previous prime is 4943797. The next prime is 4943831. The reversal of 4943820 is 283494.

It is a happy number.

It is a super-3 number, since 3×4943820³ (a number of 21 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33106 + ... + 33254.

It is an arithmetic number, because the mean of its divisors is an integer number (168000).

Almost surely, 2^4943820 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 4943820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8064000).

4943820 is an abundant number, since it is smaller than the sum of its proper divisors (11184180).

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

4943820 is a wasteful number, since it uses less digits than its factorization.

4943820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 4943820 is about 2223.4702606511. The cubic root of 4943820 is about 170.3547379178.

The spelling of 4943820 in words is "four million, nine hundred forty-three thousand, eight hundred twenty".