6944645 has 8 divisors (see below), whose sum is σ = 8351640. Its totient is φ = 5543680.

The previous prime is 6944627. The next prime is 6944657. The reversal of 6944645 is 5464496.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 64516 + 6880129 = 254^2 + 2623^2 .

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

It is not a de Polignac number, because 6944645 - 2¹⁴ = 6928261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6944599 and 6944608.

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, 1625 + ... + 4065.

It is an arithmetic number, because the mean of its divisors is an integer number (1043955).

Almost surely, 2^6944645 is an apocalyptic number.

It is an amenable number.

6944645 is a deficient number, since it is larger than the sum of its proper divisors (1406995).

6944645 is a wasteful number, since it uses less digits than its factorization.

6944645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3015.

The product of its digits is 103680, while the sum is 38.

The square root of 6944645 is about 2635.2694359401. The cubic root of 6944645 is about 190.7875437049.

The spelling of 6944645 in words is "six million, nine hundred forty-four thousand, six hundred forty-five".