4270445 has 4 divisors (see below), whose sum is σ = 5124540. Its totient is φ = 3416352.

The previous prime is 4270411. The next prime is 4270447. The reversal of 4270445 is 5440724.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1999396 + 2271049 = 1414^2 + 1507^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4270445 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4270447) 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, 427040 + ... + 427049.

It is an arithmetic number, because the mean of its divisors is an integer number (1281135).

Almost surely, 2^4270445 is an apocalyptic number.

It is an amenable number.

4270445 is a deficient number, since it is larger than the sum of its proper divisors (854095).

4270445 is an equidigital number, since it uses as much as digits as its factorization.

4270445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854094.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 4270445 is about 2066.5055044688. The cubic root of 4270445 is about 162.2399153120.

The spelling of 4270445 in words is "four million, two hundred seventy thousand, four hundred forty-five".