6240445 has 8 divisors (see below), whose sum is σ = 7929144. Its totient is φ = 4698624.

The previous prime is 6240431. The next prime is 6240463. The reversal of 6240445 is 5440426.

6240445 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2196324 + 4044121 = 1482^2 + 2011^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6240445 - 2¹⁹ = 5716157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36624 + ... + 36793.

It is an arithmetic number, because the mean of its divisors is an integer number (991143).

Almost surely, 2^6240445 is an apocalyptic number.

It is an amenable number.

6240445 is a deficient number, since it is larger than the sum of its proper divisors (1688699).

6240445 is a wasteful number, since it uses less digits than its factorization.

6240445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73439.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 6240445 is about 2498.0882690570. The cubic root of 6240445 is about 184.1076579331.

The spelling of 6240445 in words is "six million, two hundred forty thousand, four hundred forty-five".