4290445 has 8 divisors (see below), whose sum is σ = 5274360. Its totient is φ = 3348480.

The previous prime is 4290437. The next prime is 4290449. The reversal of 4290445 is 5440924.

It can be written as a sum of positive squares in 4 ways, for example, as 17956 + 4272489 = 134^2 + 2067^2 .

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

It is not a de Polignac number, because 4290445 - 2³ = 4290437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4290449) 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, 10260 + ... + 10669.

It is an arithmetic number, because the mean of its divisors is an integer number (659295).

Almost surely, 2^4290445 is an apocalyptic number.

It is an amenable number.

4290445 is a deficient number, since it is larger than the sum of its proper divisors (983915).

4290445 is a wasteful number, since it uses less digits than its factorization.

4290445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20975.

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

The square root of 4290445 is about 2071.3389389475. The cubic root of 4290445 is about 162.4927965249.

The spelling of 4290445 in words is "four million, two hundred ninety thousand, four hundred forty-five".