4435561 has 8 divisors (see below), whose sum is σ = 4858560. Its totient is φ = 4024272.

The previous prime is 4435559. The next prime is 4435567. The reversal of 4435561 is 1655344.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4435561 - 2¹ = 4435559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4435567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2125 + ... + 3658.

It is an arithmetic number, because the mean of its divisors is an integer number (607320).

Almost surely, 2^4435561 is an apocalyptic number.

It is an amenable number.

4435561 is a deficient number, since it is larger than the sum of its proper divisors (422999).

4435561 is a wasteful number, since it uses less digits than its factorization.

4435561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5855.

The product of its digits is 7200, while the sum is 28.

The square root of 4435561 is about 2106.0771590804. The cubic root of 4435561 is about 164.3045229343.

The spelling of 4435561 in words is "four million, four hundred thirty-five thousand, five hundred sixty-one".