4945786 has 4 divisors (see below), whose sum is σ = 7418682. Its totient is φ = 2472892.

The previous prime is 4945783. The next prime is 4945807. The reversal of 4945786 is 6875494.

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

It can be written as a sum of positive squares in only one way, i.e., 4490161 + 455625 = 2119^2 + 675^2 .

It is not an unprimeable number, because it can be changed into a prime (4945783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1236445 + ... + 1236448.

Almost surely, 2^4945786 is an apocalyptic number.

4945786 is a deficient number, since it is larger than the sum of its proper divisors (2472896).

4945786 is a wasteful number, since it uses less digits than its factorization.

4945786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472895.

The product of its digits is 241920, while the sum is 43.

The square root of 4945786 is about 2223.9123184155. The cubic root of 4945786 is about 170.3773164792.

The spelling of 4945786 in words is "four million, nine hundred forty-five thousand, seven hundred eighty-six".