4811945 has 8 divisors (see below), whose sum is σ = 6025536. Its totient is φ = 3682096.

The previous prime is 4811927. The next prime is 4811953. The reversal of 4811945 is 5491184.

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 4811945 - 2¹² = 4807849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20807 + ... + 21036.

It is an arithmetic number, because the mean of its divisors is an integer number (753192).

Almost surely, 2^4811945 is an apocalyptic number.

It is an amenable number.

4811945 is a deficient number, since it is larger than the sum of its proper divisors (1213591).

4811945 is a wasteful number, since it uses less digits than its factorization.

4811945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41871.

The product of its digits is 5760, while the sum is 32.

The square root of 4811945 is about 2193.6145969609. The cubic root of 4811945 is about 168.8263449705.

The spelling of 4811945 in words is "four million, eight hundred eleven thousand, nine hundred forty-five".