4856945 has 4 divisors (see below), whose sum is σ = 5828340. Its totient is φ = 3885552.

The previous prime is 4856923. The next prime is 4856947. The reversal of 4856945 is 5496584.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1515361 + 3341584 = 1231^2 + 1828^2 .

It is a cyclic number.

It is not a de Polignac number, because 4856945 - 2¹² = 4852849 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4856947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485690 + ... + 485699.

It is an arithmetic number, because the mean of its divisors is an integer number (1457085).

Almost surely, 2^4856945 is an apocalyptic number.

It is an amenable number.

4856945 is a deficient number, since it is larger than the sum of its proper divisors (971395).

4856945 is an equidigital number, since it uses as much as digits as its factorization.

4856945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971394.

The product of its digits is 172800, while the sum is 41.

The square root of 4856945 is about 2203.8477715124. The cubic root of 4856945 is about 169.3509855979.

The spelling of 4856945 in words is "four million, eight hundred fifty-six thousand, nine hundred forty-five".