4967945 has 4 divisors (see below), whose sum is σ = 5961540. Its totient is φ = 3974352.

The previous prime is 4967933. The next prime is 4967969. The reversal of 4967945 is 5497694.

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 822649 + 4145296 = 907^2 + 2036^2 .

It is a cyclic number.

It is not a de Polignac number, because 4967945 - 2⁶ = 4967881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4967896 and 4967905.

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 3 ways as a sum of consecutive naturals, for example, 496790 + ... + 496799.

It is an arithmetic number, because the mean of its divisors is an integer number (1490385).

Almost surely, 2^4967945 is an apocalyptic number.

It is an amenable number.

4967945 is a deficient number, since it is larger than the sum of its proper divisors (993595).

4967945 is an equidigital number, since it uses as much as digits as its factorization.

4967945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993594.

The product of its digits is 272160, while the sum is 44.

The square root of 4967945 is about 2228.8887365681. Note that the first 3 decimals coincide. The cubic root of 4967945 is about 170.6313891081.

It can be divided in two parts, 49679 and 45, that multiplied together give a triangular number (2235555 = T₂₁₁₄).

The spelling of 4967945 in words is "four million, nine hundred sixty-seven thousand, nine hundred forty-five".