4791861 has 12 divisors (see below), whose sum is σ = 7020000. Its totient is φ = 3149160.

The previous prime is 4791859. The next prime is 4791863. The reversal of 4791861 is 1681974.

4791861 is a `hidden beast` number, since 479 + 186 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (4791859) and next prime (4791863).

It is not a de Polignac number, because 4791861 - 2¹ = 4791859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4791863) 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, 3111 + ... + 4388.

It is an arithmetic number, because the mean of its divisors is an integer number (585000).

Almost surely, 2^4791861 is an apocalyptic number.

It is an amenable number.

4791861 is a deficient number, since it is larger than the sum of its proper divisors (2228139).

4791861 is a wasteful number, since it uses less digits than its factorization.

4791861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7576 (or 7573 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 4791861 is about 2189.0319778386. The cubic root of 4791861 is about 168.5911360866.

The spelling of 4791861 in words is "four million, seven hundred ninety-one thousand, eight hundred sixty-one".