4782861 has 16 divisors (see below), whose sum is σ = 7238400. Its totient is φ = 3119904.

The previous prime is 4782853. The next prime is 4782871. The reversal of 4782861 is 1682874.

It is not a de Polignac number, because 4782861 - 2³ = 4782853 is a prime.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4782821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 616 + ... + 3153.

It is an arithmetic number, because the mean of its divisors is an integer number (452400).

Almost surely, 2^4782861 is an apocalyptic number.

It is an amenable number.

4782861 is a deficient number, since it is larger than the sum of its proper divisors (2455539).

4782861 is a wasteful number, since it uses less digits than its factorization.

4782861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3825 (or 3819 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 4782861 is about 2186.9753085026. The cubic root of 4782861 is about 168.4855215072.

The spelling of 4782861 in words is "four million, seven hundred eighty-two thousand, eight hundred sixty-one".