4985811 has 12 divisors (see below), whose sum is σ = 7625592. Its totient is φ = 3128256.

The previous prime is 4985803. The next prime is 4985819. The reversal of 4985811 is 1185894.

It is an interprime number because it is at equal distance from previous prime (4985803) and next prime (4985819).

It is not a de Polignac number, because 4985811 - 2³ = 4985803 is a prime.

It is a super-2 number, since 2×4985811² = 49716622655442, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

4985811 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4985819) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 16141 + ... + 16446.

It is an arithmetic number, because the mean of its divisors is an integer number (635466).

Almost surely, 2^4985811 is an apocalyptic number.

4985811 is a deficient number, since it is larger than the sum of its proper divisors (2639781).

4985811 is a wasteful number, since it uses less digits than its factorization.

4985811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32610 (or 32607 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 4985811 is about 2232.8929665347. The cubic root of 4985811 is about 170.8356890944.

The spelling of 4985811 in words is "four million, nine hundred eighty-five thousand, eight hundred eleven".