4664945 has 8 divisors (see below), whose sum is σ = 5631336. Its totient is φ = 3709696.

The previous prime is 4664927. The next prime is 4664951. The reversal of 4664945 is 5494664.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2611456 + 2053489 = 1616^2 + 1433^2 .

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 4664945 - 2¹⁰ = 4663921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4664899 and 4664908.

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, 1832 + ... + 3561.

It is an arithmetic number, because the mean of its divisors is an integer number (703917).

Almost surely, 2^4664945 is an apocalyptic number.

It is an amenable number.

4664945 is a deficient number, since it is larger than the sum of its proper divisors (966391).

4664945 is a wasteful number, since it uses less digits than its factorization.

4664945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5571.

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

The square root of 4664945 is about 2159.8483743078. The cubic root of 4664945 is about 167.0893780950.

The spelling of 4664945 in words is "four million, six hundred sixty-four thousand, nine hundred forty-five".