4429940 has 12 divisors (see below), whose sum is σ = 9302916. Its totient is φ = 1771968.

The previous prime is 4429937. The next prime is 4429963. The reversal of 4429940 is 499244.

It can be written as a sum of positive squares in 2 ways, for example, as 2650384 + 1779556 = 1628^2 + 1334^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4429897 and 4429906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110729 + ... + 110768.

It is an arithmetic number, because the mean of its divisors is an integer number (775243).

Almost surely, 2^4429940 is an apocalyptic number.

It is an amenable number.

4429940 is an abundant number, since it is smaller than the sum of its proper divisors (4872976).

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

4429940 is a wasteful number, since it uses less digits than its factorization.

4429940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221506 (or 221504 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 4429940 is about 2104.7422645065. The cubic root of 4429940 is about 164.2350881904.

The spelling of 4429940 in words is "four million, four hundred twenty-nine thousand, nine hundred forty".