4249980 has 72 divisors (see below), whose sum is σ = 14737632. Its totient is φ = 971136.

The previous prime is 4249969. The next prime is 4249981. The reversal of 4249980 is 899424.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4249981) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 427 + ... + 2946.

Almost surely, 2^4249980 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 4249980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7368816).

4249980 is an abundant number, since it is smaller than the sum of its proper divisors (10487652).

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

4249980 is a wasteful number, since it uses less digits than its factorization.

4249980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395 (or 3390 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 4249980 is about 2061.5479620906. The cubic root of 4249980 is about 161.9803359763.

It can be divided in two parts, 424 and 9980, that added together give a square (10404 = 102²).

The spelling of 4249980 in words is "four million, two hundred forty-nine thousand, nine hundred eighty".