4429540 has 12 divisors (see below), whose sum is σ = 9302076. Its totient is φ = 1771808.

The previous prime is 4429531. The next prime is 4429549. The reversal of 4429540 is 459244.

It is an interprime number because it is at equal distance from previous prime (4429531) and next prime (4429549).

It can be written as a sum of positive squares in 2 ways, for example, as 556516 + 3873024 = 746^2 + 1968^2 .

It is a super-2 number, since 2×4429540² = 39241649223200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4429499 and 4429508.

It is not an unprimeable number, because it can be changed into a prime (4429549) 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 3 ways as a sum of consecutive naturals, for example, 110719 + ... + 110758.

It is an arithmetic number, because the mean of its divisors is an integer number (775173).

Almost surely, 2^4429540 is an apocalyptic number.

It is an amenable number.

4429540 is an abundant number, since it is smaller than the sum of its proper divisors (4872536).

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

4429540 is a wasteful number, since it uses less digits than its factorization.

4429540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221486 (or 221484 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 4429540 is about 2104.6472388503. The cubic root of 4429540 is about 164.2301448569.

It can be divided in two parts, 44 and 29540, that added together give a square (29584 = 172²).

The spelling of 4429540 in words is "four million, four hundred twenty-nine thousand, five hundred forty".