4243776 has 84 divisors (see below), whose sum is σ = 12106656. Its totient is φ = 1309440.

The previous prime is 4243747. The next prime is 4243781. The reversal of 4243776 is 6773424.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136881 + ... + 136911.

Almost surely, 2^4243776 is an apocalyptic number.

4243776 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 4243776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6053328).

4243776 is an abundant number, since it is smaller than the sum of its proper divisors (7862880).

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

4243776 is a wasteful number, since it uses less digits than its factorization.

4243776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 59 counting only the distinct ones).

The product of its digits is 28224, while the sum is 33.

The square root of 4243776 is about 2060.0427180037. The cubic root of 4243776 is about 161.9014794963.

The spelling of 4243776 in words is "four million, two hundred forty-three thousand, seven hundred seventy-six".