4985091 has 8 divisors (see below), whose sum is σ = 7385360. Its totient is φ = 3323376.

The previous prime is 4985083. The next prime is 4985107. The reversal of 4985091 is 1905894.

It is not a de Polignac number, because 4985091 - 2³ = 4985083 is a prime.

It is a super-2 number, since 2×4985091² = 49702264556562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4985041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92290 + ... + 92343.

It is an arithmetic number, because the mean of its divisors is an integer number (923170).

Almost surely, 2^4985091 is an apocalyptic number.

4985091 is a deficient number, since it is larger than the sum of its proper divisors (2400269).

4985091 is a wasteful number, since it uses less digits than its factorization.

4985091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184642 (or 184636 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 4985091 is about 2232.7317348934. The cubic root of 4985091 is about 170.8274652489.

The spelling of 4985091 in words is "four million, nine hundred eighty-five thousand, ninety-one".