4942845 has 12 divisors (see below), whose sum is σ = 8567676. Its totient is φ = 2636160.

The previous prime is 4942811. The next prime is 4942877. The reversal of 4942845 is 5482494.

It can be written as a sum of positive squares in 2 ways, for example, as 3437316 + 1505529 = 1854^2 + 1227^2 .

It is not a de Polignac number, because 4942845 - 2⁶ = 4942781 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54876 + ... + 54965.

It is an arithmetic number, because the mean of its divisors is an integer number (713973).

Almost surely, 2^4942845 is an apocalyptic number.

4942845 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4942845 is a deficient number, since it is larger than the sum of its proper divisors (3624831).

4942845 is a wasteful number, since it uses less digits than its factorization.

4942845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109852 (or 109849 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 4942845 is about 2223.2509979757. The cubic root of 4942845 is about 170.3435382929.

The spelling of 4942845 in words is "four million, nine hundred forty-two thousand, eight hundred forty-five".