4229920 has 24 divisors (see below), whose sum is σ = 9993564. Its totient is φ = 1691904.

The previous prime is 4229891. The next prime is 4229921. The reversal of 4229920 is 299224.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4177936 + 51984 = 2044^2 + 228^2 .

It is not an unprimeable number, because it can be changed into a prime (4229921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13059 + ... + 13378.

Almost surely, 2^4229920 is an apocalyptic number.

4229920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4229920 is an abundant number, since it is smaller than the sum of its proper divisors (5763644).

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

4229920 is a wasteful number, since it uses less digits than its factorization.

4229920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26452 (or 26444 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 4229920 is about 2056.6769313628. The cubic root of 4229920 is about 161.7250836940.

The spelling of 4229920 in words is "four million, two hundred twenty-nine thousand, nine hundred twenty".