4901845 has 12 divisors (see below), whose sum is σ = 6370596. Its totient is φ = 3619200.

The previous prime is 4901807. The next prime is 4901849. The reversal of 4901845 is 5481094.

It is a happy number.

4901845 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 6 ways, for example, as 88209 + 4813636 = 297^2 + 2194^2 .

It is not a de Polignac number, because 4901845 - 2⁷ = 4901717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4901849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2056 + ... + 3745.

It is an arithmetic number, because the mean of its divisors is an integer number (530883).

Almost surely, 2^4901845 is an apocalyptic number.

It is an amenable number.

4901845 is a deficient number, since it is larger than the sum of its proper divisors (1468751).

4901845 is a wasteful number, since it uses less digits than its factorization.

4901845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5832 (or 5819 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 4901845 is about 2214.0110659163. The cubic root of 4901845 is about 169.8712404479.

The spelling of 4901845 in words is "four million, nine hundred one thousand, eight hundred forty-five".