4999785 has 32 divisors (see below), whose sum is σ = 9683712. Its totient is φ = 2150400.

The previous prime is 4999783. The next prime is 4999801. The reversal of 4999785 is 5879994.

It is a happy number.

It is not a de Polignac number, because 4999785 - 2¹ = 4999783 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a d-powerful number, because it can be written as 4⁸ + 9 + 9³ + 9⁷ + 7⁶ + 8⁵ + 5³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4999781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 385 + ... + 3185.

It is an arithmetic number, because the mean of its divisors is an integer number (302616).

Almost surely, 2^4999785 is an apocalyptic number.

It is an amenable number.

4999785 is a deficient number, since it is larger than the sum of its proper divisors (4683927).

4999785 is a wasteful number, since it uses less digits than its factorization.

4999785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833.

The product of its digits is 816480, while the sum is 51.

The square root of 4999785 is about 2236.0199015215. The cubic root of 4999785 is about 170.9951436670.

The spelling of 4999785 in words is "four million, nine hundred ninety-nine thousand, seven hundred eighty-five".