4771091 has 4 divisors (see below), whose sum is σ = 5138112. Its totient is φ = 4404072.

The previous prime is 4771069. The next prime is 4771093. The reversal of 4771091 is 1901774.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4771091 - 2¹⁰ = 4770067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4771093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183491 + ... + 183516.

It is an arithmetic number, because the mean of its divisors is an integer number (1284528).

Almost surely, 2^4771091 is an apocalyptic number.

4771091 is a deficient number, since it is larger than the sum of its proper divisors (367021).

4771091 is a wasteful number, since it uses less digits than its factorization.

4771091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367020.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 4771091 is about 2184.2827197961. The cubic root of 4771091 is about 168.3472009837.

The spelling of 4771091 in words is "four million, seven hundred seventy-one thousand, ninety-one".