4338561 has 4 divisors (see below), whose sum is σ = 5784752. Its totient is φ = 2892372.

The previous prime is 4338547. The next prime is 4338563. The reversal of 4338561 is 1658334.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4338561 - 2¹⁰ = 4337537 is a prime.

It is a super-2 number, since 2×4338561² = 37646223101442, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

4338561 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4338563) 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, 723091 + ... + 723096.

It is an arithmetic number, because the mean of its divisors is an integer number (1446188).

Almost surely, 2^4338561 is an apocalyptic number.

It is an amenable number.

4338561 is a deficient number, since it is larger than the sum of its proper divisors (1446191).

4338561 is a wasteful number, since it uses less digits than its factorization.

4338561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446190.

The product of its digits is 8640, while the sum is 30.

The square root of 4338561 is about 2082.9212659148. The cubic root of 4338561 is about 163.0979751475.

The spelling of 4338561 in words is "four million, three hundred thirty-eight thousand, five hundred sixty-one".